MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The embedded URLs and the heuristic findings of a link farm on disposable hosting support this assessment.
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://crysiq.ru/uplcv?utm_term=watch+aquamarine+full+movie+online+for+free PDF link annotation
- http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160815b825c8bf---nabewawozezapunaniteno.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dd117720a0---57764373362.pdfIn PDF document text
- https://szekszardportal.hu/userfiles/file/jegiguzitararot.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/f011a1a772ff00b8315993c767468c3a/wivike.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/40099875806.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/285a0adde8dcea8946564d4d5e76621d/55655838521.pdfIn PDF document text
- https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/bkvpval6ui9ru2u3er8hgdg6n6/88283565953.pdfIn PDF document text
- https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/30034898d4f8d919123e38d8d587a3b2/devoj.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/45041378032.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a596cec65e8---79833312853.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/96ba164f0865d2538fa9e974088cbc57/7186527751.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ocfrhjbb5s437honaoed9u24n4/xifunefojikotoge.pdfIn PDF document text
- https://allmassage.net/upload/file/20210601045234.pdfIn PDF document text
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a3fd2498ec0---69605417293.pdfIn PDF document text
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a36d22bc1f5---bazimor.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d77228aaf---pelatitipofeboraj.pdfIn PDF document text
- https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/105771df2bee4c38c4dad5ad66be8f01/sowiduxaxarubakisopa.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_off0000db7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB7B | 5140 bytes |
SHA-256: c0e1223eac4eb5c645565371e288d0e89ac105f4fce9e6a58c6072cb0a559af9 |
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font_01_sfnt_off0000ece7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE7 | 10644 bytes |
SHA-256: d603e53a756a03f75bed7dbfee5a2220ed074798270480e03b12ab80f0704452 |
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