MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to various domains, including compromised WordPress sites. While no scripts were directly extracted, the nature of the link farm suggests a phishing or redirection attempt to a malicious site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://onlinendttraining.net/files/65820509472.pdf In PDF document text
- http://raczcsalad.hu/files/gudagevedud.pdfIn PDF document text
- http://monarchiaerembolt.hu/tmp/58169673278.pdfIn PDF document text
- http://alpha-th.com/userfiles/file/vusuzawejewomuzabaxodatul.pdfIn PDF document text
- https://ezsprinting.com/userfiles/file/72475176551.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/poraromoxadipivemem.pdfIn PDF document text
- http://underbutter.cz/download/foto/nasiwedox.pdfIn PDF document text
- https://bhavanarayanaswamy.org/userfiles/file/62459286998.pdfIn PDF document text
- https://olterus.info/contents/files/77375279188.pdfIn PDF document text
- https://ezokniga.com/uploads/file/27317984064.pdfIn PDF document text
- https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a899c3b2a6---tupitun.pdfIn PDF document text
- https://nhanloc.net/userfiles/file/43407029585.pdfIn PDF document text
- http://ozt.zielonetarasy-cieplice.pl/uploads/userfiles/files/92659582063.pdfIn PDF document text
- https://rawoctane.com/uploads/file/76909280517.pdfIn PDF document text
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/161382b502b3f5---49186359941.pdfIn PDF document text
- http://specimport.by/files/files/dapetiwalut.pdfIn PDF document text
- http://kingsfci.com/userfiles/file/serekamemowedikun.pdfIn PDF document text
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/jm3lrq2ub2oa4faqoh3se7rrp3/87041264628.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/28323a9f0cfcab99cb3e2907035d5720/78540336463.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/40190984.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16134b88263882---56589011941.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=mac+address+unavailable+android+fixPDF 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_off0000d171.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD171 | 19240 bytes |
SHA-256: 21ed4c2798834e889900386d0bd44d2f8631582a98ae9efc485818b5fb12fe62 |
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font_01_sfnt_off0001030f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1030F | 10772 bytes |
SHA-256: 75a5ea444b903281e682852f554131e8fe01cc7000b3f6f82fe9ca690c362a5d |
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font_02_sfnt_off00011bfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BFC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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