MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, pointing to compromised CMS uploads and disposable hosting. The embedded URLs are designed to redirect users, likely to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/dm9btm7bifa54l4kerb92g7k43/jumakulaxatujunivuk.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608050a849760---38498424695.pdf
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/5iibjhqdaoc9k8ke1pq4a5gd14/93992335798.pdf
- https://www.ideaklinik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077166d29b9b---nawubapegidawuvobinufo.pdf
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086b088a921b---nunurikazewofegekibemete.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c32dcbb541---62100366340.pdf
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160737f1f39ea6---bilero.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/4bd033df9021ea1d311eed5322d7b559/72084525534.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085dcdc8498e---gozixelu.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607efe9529fb1---49115630086.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/pgbf6pon8gbbbcvcu027r3qn0c/tibovalur.pdf
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607280a63656a---75778039896.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d37b0014fc---57995635043.pdf
- https://contabil-fiscal.ro/mm/file/woravekiwijagizikuwuxan.pdf
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/cf483c0145ac8700fad5b981160abb02/5986205362.pdf
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/00be69fbaacf20393a77e1fc67d0f27c/81033258516.pdf
- http://renovator.cz/files/file/xufawevenibarobexojirori.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=plane+simulator+games+free++full+version
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dbd9.bin5d2fc34a9591a45ce58c8315955ce1f3229d1948d131bd850ab8784f72510258 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD9 | 5028 bytes |
font_01_sfnt_off0000ecdf.bina57b466cb5c14ec65785b69d8b5932117da5d95f98bfd30ca8576094fb652c94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDF | 10328 bytes |
font_02_sfnt_off00011007.bin9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11007 | 4324 bytes |
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