MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. Heuristics identified the document as a link farm, with many URLs pointing to potentially compromised WordPress upload directories or disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its specific content, but the overall structure and URL analysis strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 http://avatars.ru/userfiles/file/31886519650.pdf In PDF document text
- https://bamor.org/userfiles/file/nukasam.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/821c613857896671928e25495a4e2a33/medenirefukobajebapes.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/7a1f4202ca4a81b79c8703a2a2624812/widufis.pdfIn PDF document text
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804f659d106---72912243893.pdfIn PDF document text
- http://tischlerei-schlusche.de/sites/default/files/file/fepepivariga.pdfIn PDF document text
- http://globalsocialwlefaresummit.com//app/webroot/uploads/ckuploads/files/15957339785.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/nuvemotutazexetatovamu.pdfIn PDF document text
- http://tcurryproperties.com/konadnew/userfiles/file/ninujopetexoraz.pdfIn PDF document text
- http://somsit.com/ckfinder/userfiles/files/gojojofaj.pdfIn PDF document text
- http://fairway.cc/images/blog//file/kujedakilas.pdfIn PDF document text
- http://grandchainfamilyfoundation.org/clients/85333/File/fogomozil.pdfIn PDF document text
- http://bajcsidavidfoto.com/_user/file/taxonetujanu.pdfIn PDF document text
- https://tort-art.ru/userfiles/file/76652379561.pdfIn PDF document text
- http://jmk.kr/ckfinder/userfiles/files/vesujugekamegesopal.pdfIn PDF document text
- https://xuantruongtech.com/images/ckeditor/files/fekubajuveb.pdfIn PDF document text
- https://intrigantka.ru/images/userfiles/file/45114652700.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/zozavire.pdfIn PDF document text
- http://keacg.com/upload/files/30577494873.pdfIn PDF document text
- http://alfavit.tv/userfiles/file/39200619339.pdfIn PDF document text
- http://kpotplace.com/uploads/files/80218670448.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/mitideveku.pdfIn PDF document text
- http://liavanhaeringen.nl/userfiles/files/nevikadumemuvulotobe.pdfIn PDF document text
- http://smartdeal.pl/files/upload/files/gotexeloj.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=global+politics+juliet+kaarbo+pdfPDF 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_off0001e13b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E13B | 11008 bytes |
SHA-256: 9c14752f6ce7b8aa4415e79b1bf2d8aea246450d4865df44a56b082c5da0f9dd |
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font_01_sfnt_off0001fabd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1FABD | 20588 bytes |
SHA-256: eead8e8bdd235cfa66d785b866e77f6c26086fa56d5094df3cd8afe5799a27c7 |
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font_02_sfnt_off00022fe8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x22FE8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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