MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as a phishing trojan and by an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS upload directories or disposable hosting, forming a link farm. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2397e7f8bb---vuparabawe.pdf
- https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc5b0df5c3---54974526220.pdf
- http://musorcentrum.hu/files/article/file/22611992792.pdf
- http://www.anjhimayath.com/upload/file/lelunoxibomipejeli.pdf
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/70b5c2c39e6fce5c83a5f067ae87c595/67517219842.pdf
- https://cargotavio.ru/files/file/56664632969.pdf
- http://phuquytravel.com/nguyenvanlinh/files/49012558379.pdf
- https://www.proctoloji.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b350883e6---6799722905.pdf
- https://rpdev.org/ckfinder/userfiles/files/kukoforekomofomabej.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/08bb9b2dd6efc84ad1e187f34dd9c2bd/18408269999.pdf
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e623898f290---90568507634.pdf
- https://feldmann-spedition.de/pics/userfiles/file/wuxabeguvorugofi.pdf
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160906c3304d5a---22781925936.pdf
- https://tolgyesvolgy.hu/userfiles/file/10780156962.pdf
- http://www.deep2001.com/images/library/File/14236631505.pdf
- http://robalton.es/Albums/images/file///daxoj.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b81a85e4990---tawinez.pdf
- http://kxnjl.com/userfiles/files/25505177037.pdf
- https://www.habitat-morvan.fr/ckfinder/userfiles/files/57536754636.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8fc1ec45e---dewabopewolirojoxila.pdf
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/925eccd54389757d961200b2819e92f4/wiwijusi.pdf
- http://ambvetsanprospero.eu/userfiles/files/19956755403.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dbb9564f677bf979ed04d7b86e61a1b5/1374307966.pdf
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/q4qfu8tpqlsgic6pftftp8v197/runugufoxabufutikuli.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=biology+exams+with+answers
- 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://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d95c.bin0da93a7a901b94bad0fea6bb24cb5690536b2c64671fe6a3abc9b0fe811fd26d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD95C | 16868 bytes |
font_01_sfnt_off0001055c.bin6b80a13709fd52874dcfaa6d1e37bf4b59875b3cea8ed96e5523c3cc1d990c04 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1055C | 10912 bytes |
font_02_sfnt_off00011e89.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E89 | 16792 bytes |
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