MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1055.001 Process Injection
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload directories. These links likely serve as a lure to download further malicious content, potentially leading to the execution of exploits or malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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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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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 https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160746e72e4679---xawibuxuxekozedumifemetif.pdf In PDF document text
- http://parentini.it/userfiles/files/52927295328.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/luzekozizamoguri.pdfIn PDF document text
- https://mrmobilewebsite.agency/wp-content/plugins/super-forms/uploads/php/files/6fc86faa9c604b710c3f4a5d71fb4bea/91583191042.pdfIn PDF document text
- http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608684153e12d---wugerovugudadowitaxex.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/vrs7st7gs5r30i3ffdp7m0t7al/rabafebemutuzadeb.pdfIn PDF document text
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/v97c0bjqk6gno78hv91jo5724g/78936188404.pdfIn PDF document text
- http://fullcolorspandoeken.nl/userfiles/file/xulavopazosufokuxote.pdfIn PDF document text
- http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ee5914c19---74220568537.pdfIn PDF document text
- https://rajaunited.com/contents//files/zivopa.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/56c1df2cc28c289ed7e96737bbfcebdd/befoxob.pdfIn PDF document text
- https://observatoire-omic.org/documents/file/90562560744.pdfIn PDF document text
- http://ikkosushi.com/uploads/files/77868323800.pdfIn PDF document text
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a7646316308---89308098120.pdfIn PDF document text
- http://bclgrouptt.com/userfiles/file/dawotixewiwexaren.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/vodetivegajimofuwolazeb.pdfIn PDF document text
- http://championshipsportsrings.com/clients/23492/File/lowafugaxanonixawasokidu.pdfIn PDF document text
- http://france-ex.com/images/blog//file/kitotodafozagavujojurara.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/958911dda97c80c1bd68ab4ff5e0f536/70976069059.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/95476178048.pdfIn PDF document text
- http://technocom.pl/editor/file/9479023512.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083b32d1233e---barotajezerilo.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c227de44c4b---83470772450.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b54243b9f9---19464580351.pdfIn PDF document text
- https://www.hsbofmn.com/ckfinder/userfiles/files/75425636053.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/128a1add48b5d6217bc1141af1fed9c9/15828926341.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=ill+content+definitionPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10166 | 9992 bytes |
SHA-256: d40f4e8c2ff878edf3b5bf6ea781e2e903f4875f17d925105ebd660504805ddb |
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font_01_sfnt_off0001179a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1179A | 17548 bytes |
SHA-256: dbcb09adf00fcec7f4865c786680be6ccc35032c8237ae7e3e7102d55112880d |
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font_02_sfnt_off000145c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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