MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/03d0db9e246ebdafa339b6e9b24f689d/xogugemezazagekat.pdf In PDF document text
- https://kamhosting.nl/ckfinder/userfiles/files/99960190596.pdfIn PDF document text
- https://ht-cooling-j3t.com/contents/files/60689658641.pdfIn PDF document text
- https://larustt.com/upload/ckfinder/files/60944858040.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1630696224.pdfIn PDF document text
- http://iccjsc.vn/images/uploads/files/jexokotavax.pdfIn PDF document text
- http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c98c9cf33b---99354852162.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/pozuroxowil.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614061e44675b---4684486186.pdfIn PDF document text
- http://hophungvietnam.com/app/webroot/uploads/files/pesopi.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130959511ec5---gemerusibidirepitogutir.pdfIn PDF document text
- https://menu2uplus.com/images/file/45002109144.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/siwijinejakakubesosumokus.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/19422214705.pdfIn PDF document text
- http://defhjdrjioo.friend-match.com/upload/files/35619171176.pdfIn PDF document text
- http://soundspace.eu/Upload/file/dakokekeliboletadefud.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/zesabamofarosivot.pdfIn PDF document text
- https://navliecky.net/userfiles/file/fujunadukosifiganilax.pdfIn PDF document text
- http://infiniti.e-library.tw/uploads/files/81222815076.pdfIn PDF document text
- http://dentish.ru/ckfinder/userfiles/files/pukekajetisibes.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/30276254791.pdfIn PDF document text
- http://6nergy.fr/6nergy/sites/default/user/file/lasisijivifutilaba.pdfIn PDF document text
- http://shengnabei.com/uploadfile/file///2021091105195895.pdfIn PDF document text
- http://sancheonglittletheaters.com/upload/userfiles/2021/09/files/210903190328.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=kris+marshall+doctor+whoPDF 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_off00010117.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10117 | 10476 bytes |
SHA-256: 9be2b7ee3a464d65adf6c91c9d41f4434ed4754f1cf94dec47bced0fd1d99b2d |
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font_01_sfnt_off000118ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118ED | 18832 bytes |
SHA-256: 09dfa3b081dc66e08dd1ecbb5fe7ab6fc7cf3ae4e545180e8ebcd98e1eeaf717 |
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font_02_sfnt_off00014988.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14988 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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