MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ClamAV and an ML classifier, indicating it is likely a phishing attempt. The PDF contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics point towards a phishing lure, likely intended to trick users into downloading further malicious 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=biography+of+charles+dickens+pdf PDF link annotation
- https://x-software.cz/data/file/godaxotaxezuwojebe.pdfIn PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/8ccf44a39dd2915a5838eba6c17b5934/xosekidej.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/1f11c521b3811dd1172f46dd11b2aa31/vewadukopunebemazavifigiw.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/rue22dh08460h8272r143dbnri/43070432807.pdfIn PDF document text
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160886cabd8368---31577531113.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/5vb25s7d00ibrjk3qfnhskcsp5/xofovazek.pdfIn PDF document text
- http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085caf8eb9b2---87098630628.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/22bf2bac63a45529db205f76d58f2895/kowopijifisefuwo.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/26315384328.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/24thnujf1mik218bhko7ceagh5/nikup.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f8aad271ac---mefuvinomu.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/320f9fff09e1e422bf7f25e870d5a540/26585349852.pdfIn PDF document text
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090dfb22afb1---pidixukapipobujuv.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/53375150373.pdfIn PDF document text
- http://aldo-ins.com/userfiles/file/zusugopuxemepezuralu.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/mo9rhp4tduu2ikpj979phc5frv/rewudezaxutigogomi.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6ffcb5e60---bavajiduzubixadogiw.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_off0000ef31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF31 | 5632 bytes |
SHA-256: 47c66d40b0dda45e25ef334dd7b956a80313ffa7d156d8b9f46b368cf09b041c |
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font_01_sfnt_off0001026f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026F | 22820 bytes |
SHA-256: ef5e5c861a6afb06a5279feed5289d81774708610133993e13f751da58613f2f |
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