MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm or redirection mechanism. The primary purpose appears to be directing users to malicious external sites, likely for phishing or to download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://archism.ru/uplcv?utm_term=how+to+connect+alexa+echo+dot+to+bluetooth PDF link annotation
- https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/ccf311763c1de4f4a962872de7151198/vidokivukup.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5b2a1da87---5122778576.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/8470928095759c17886f24ad06005963/53993401240.pdfIn PDF document text
- https://ankaratemizlikcim.com/depo/sayfaresim/file/derupo.pdfIn PDF document text
- https://nevisnews.com/userfiles/gofit.pdfIn PDF document text
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/pdnov4liirjcdpftgl221i98m2/vupupoxedapirinov.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083ddc577db5---mifufaredonukaxivu.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/tiwinijokelekututozaxuxow.pdfIn PDF document text
- https://tectrongim.com/uploads/files/jalopikowaguladid.pdfIn PDF document text
- http://jucal.es/images/file/50458634877.pdfIn PDF document text
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/ktpllontvooh36872dcj2c9dll/zejebizofev.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d199281458---96239852552.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/1eaf2a37b8d476d6101dd309e6266a8c/jakamagudasatijetujafa.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160965d7b4fb79---kuravaruranekununonarimo.pdfIn PDF document text
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/mgjo287soeusnbs2r3hglc2kbm/panali.pdfIn PDF document text
- http://bhavalaya.org/ckfinder/userfiles/files/20828678934.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC46 | 5016 bytes |
SHA-256: c51f1d03779fbbefd0a417c85f3e509424ef6f5548737b8aee5e6f62f1ab8caf |
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font_01_sfnt_off0000fd63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD63 | 11112 bytes |
SHA-256: bf3eaa1b1ab9191c5683062682c672b6e4cba4807a560f961b900fb9babc197a |
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