MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified it as a link farm, with multiple URLs pointing to compromised WordPress upload storage and disposable hosting. These links likely lead to phishing pages or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/16137e99db46df---davarexotezosa.pdf In PDF document text
- https://deltagroup.bg/uploads/file/26080728614.pdfIn PDF document text
- http://artwatch.ru/userfiles/file/97670703325.pdfIn PDF document text
- http://okmarin.ru/userfiles/file/lobagelugajunonekoselo.pdfIn PDF document text
- http://dorisemitchell.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vowodidizom.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/nodixafikuxemodajizin.pdfIn PDF document text
- http://xn--80aguejfegacgj0ad.xn--p1ai/pict/file/10882440486.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109101322097405.pdfIn PDF document text
- https://betsin.org/userfiles/files/lifekopobat.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8a011de0e---mekitovixaj.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/c024224af4fc1d3f903cb0a189c855bc/95847748648.pdfIn PDF document text
- https://marsanz.pl/uploads/fck/file/42370874330.pdfIn PDF document text
- http://altiro.nl/home/tjerk/file/pesuw.pdfIn PDF document text
- http://extintoresorigen.com/images/editor/ridivezonepova.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/568d8a36e5361179de7d5bfe1a170f6a/3257187148.pdfIn PDF document text
- https://tinnituskozpont.hu/files/99072635663.pdfIn PDF document text
- http://n2nlah.org/UserFiles/file/23723126951.pdfIn PDF document text
- http://shriramashramssschool.org/userfiles/file/xojebarenupaze.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132b76b96e5a---91359461476.pdfIn PDF document text
- http://www.gdchgs.com/admin/img/files/13663496546.pdfIn PDF document text
- http://imi.vc/upload/files/17016845550.pdfIn PDF document text
- http://allier-genealogie.org/File:/13353695062.pdfIn PDF document text
- http://chiangmai-clean.com/user_img/files/91382208813.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=zelda+android+apkPDF 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_off0000dd33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD33 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f545.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF545 | 21276 bytes |
SHA-256: 49c06bc03944535fdfa4b149ddce471b9f5c66084a091b4397fbedba4ef19e8c |
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font_02_sfnt_off00012c89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C89 | 10172 bytes |
SHA-256: ba469f49569467b962d6dacf66bdedcae9ee715e8f90fcb52311366b2bf80a54 |
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