MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is a PDF identified as malicious by ML classifiers and ClamAV. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely serve as a distribution point for phishing content or further malware. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a deliberate attempt to obscure the true destination through link manipulation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c06bb9df24---repazevunabebewog.pdf In PDF document text
- https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/7csnb75mva98o2mhpu3f1u5tvt/tepukatoxidutif.pdfIn PDF document text
- https://allcreaturesinc.com/files/files/biwobez.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/894855965a8ea442ac5c3a543d61a84e/xumopitanofujokalukifa.pdfIn PDF document text
- https://organicfertilizerproduction.com/d/files/38754880037.pdfIn PDF document text
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/6a9a14760d3f5ae464fc0dfa796355d5/21738766184.pdfIn PDF document text
- https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/n3fc0iovrea2d0gcsmhvkdh8t7/18012090940.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210603142034.pdfIn PDF document text
- http://muszempilla.com/files/file/63889980692.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/c9edgvth1m2tgugp3l2ag8al1u/mapevivepolofirolisisizek.pdfIn PDF document text
- http://brette-animation.com/userfiles/file/pijaxoxapemapatuji.pdfIn PDF document text
- https://vmkstroi.ru/wp-content/plugins/super-forms/uploads/php/files/5829e479caa215e3b7c7520e8e1a2e8e/vuvisafalewujazo.pdfIn PDF document text
- https://mm-podium.ro/userfiles/file/57768857279.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/lowosifobaramobebapozul.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/4040426342.pdfIn PDF document text
- http://blissrenewbeauty.com/newerac2c/userfiles/file/patawujubomojamizoro.pdfIn PDF document text
- http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080c0a34102b---90863161363.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=river+trent+fishing+day+ticketPDF 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_off00010c52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C52 | 10908 bytes |
SHA-256: f82e7aac9fd2dde3ed17d8a05a9efce12b5cac1aaa9b80ffc44a54e44b2ce650 |
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font_01_sfnt_off0001255b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1255B | 17052 bytes |
SHA-256: 5fdf74041f9edaafa0ad16e69aacbdae44d55e9b94b55830f1827efeac8d8393 |
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font_02_sfnt_off00015212.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15212 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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