MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a phishing or malware distribution campaign, likely initiated via spearphishing.
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://catamma.ru/uplcv?utm_term=richard+cantillon+theory+of+entrepreneurship+pdf PDF link annotation
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b346563fcc8---vixovonosi.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/sutetofu.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcab84a0893---zazenivik.pdfIn PDF document text
- http://praxis-greve-polley.de/web/editor/files/93031134792.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/hj7k95qh8fvgk7gd8nhrqr45c1/jumowazi.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/e91f4f3a49cbf22ed2fb11c3f7afab9b/durafigojafotawepaw.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/skjgsuuhhqqf5r21r589eltnks/wigovepexujinorarodoze.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfc535ab97d---melubuwa.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0045924c4---fovefam.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/31335136710.pdfIn PDF document text
- https://paloaltospeakerseries.com/wp-content/plugins/super-forms/uploads/php/files/7c880bf813c9f81dced2006793b6ee06/jirevuxelelokow.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b20e3678511---88501348345.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/be3e8c7b291a8c330c4a018796ab8458/pejuwibibut.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/pudivifimumomekuxij.pdfIn PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/35377318906.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/71014362347.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16086c684bb542---15540640976.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_off00011b12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B12 | 5352 bytes |
SHA-256: 02fd5f2f468851420d32f7245b503dc7a16edf2daeedcd793d0bea7d6316be8c |
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font_01_sfnt_off00012d53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D53 | 11064 bytes |
SHA-256: 892aa481216906b1bead85c9150d3eaab68c748a35cd66dadc32929ab126ddd0 |
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