MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, distributing numerous URLs across various compromised websites, likely to manipulate search engine results or lead users to phishing pages. The presence of 'cmdvo5/vovaj.pdf' and a URL pointing to a compromised WordPress upload storage suggests an attempt to disguise malicious content within seemingly legitimate or compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9896
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL http://3will.org/soubory/files/39080569606.pdf In PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/a092cf978ca80a06a834be34912f7916/xemoxefepinikuze.pdfIn PDF document text
- http://domholidays.com/userfiles/file/84847485686.pdfIn PDF document text
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160703ba82c27d---fonanakadarune.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c30e549ee4e---10349378618.pdfIn PDF document text
- https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/ek0vssnhoamb6beu61o4502iok/lagatakejimupega.pdfIn PDF document text
- https://dnmpaint.com/sdcc/images/file/girarujiwe.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aafd5cd3ac---2241918670.pdfIn PDF document text
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c03a3a0aa53---pedesi.pdfIn PDF document text
- https://asaptransfers.co.uk/wp-content/plugins/super-forms/uploads/php/files/gkulogui9dcamo0hagqscmdvo5/vovaj.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609bb29dcbd66---73635341709.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0672b0671---7612966791.pdfIn PDF document text
- https://tusenfotingen.nu/anvandarbilder/108/files/6094552972.pdfIn PDF document text
- http://apsara.ru/userfiles/file/1973955540.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3f3d45ac2b9008f4c237b7d6108feb63/vevadegukaludokidajofage.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f30e614a5---sudido.pdfIn PDF document text
- https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/2d7051ff0dd11720f86d882a007f6f63/4173698062.pdfIn PDF document text
- http://doktor-okonski.pl/uploadimg/file/99319446654.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/926829cc9a85497be9a56644a478b204/pipijexukarofozuvavepil.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607507a5b9468---72544882795.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d2c2e63ba7728c44e35e97f02cc2acf4/genevogawolowoxeda.pdfIn PDF document text
- https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/0ba246754e6d52f92b839ee44fb76808/turigavowenolazi.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/lorinipoxeke.pdfIn PDF document text
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b63a8f406---bitukawilim.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/nubutaninomemeraj.pdfIn PDF document text
- https://bentzendesign.se/wp-content/pluginsIn macro / runtime command snippet
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=straightforward+upper+intermediate+and+advanced+placement+test+answersPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001121f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1121F | 11396 bytes |
SHA-256: d647198d3322a297e9c361dc080519be13ac4b2981b2dff0f59d30251562385c |
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font_01_sfnt_off00012ca4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CA4 | 19016 bytes |
SHA-256: 1517603a50bc216210a39dd4b0118a8fff5547c6650eb1bc7b92c06d2dff3416 |
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font_02_sfnt_off00015dcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15DCB | 3460 bytes |
SHA-256: 956dc9b871a9848be24a174af720fddc87ef84faf82b11feeb6fe4672682d95d |
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font_03_sfnt_off00016b8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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