MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites and disposable hosting, characteristic of a link farm used for phishing or malware distribution. Heuristics indicate it's a link farm on compromised CMS uploads and uses disposable hosting. ClamAV detection as Pdf.Phishing.Trojan further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160869d480cf45---92404484992.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/etr3o9j437s8kkooi7igh67jo0/65624350482.pdf
- http://tovicetour.com/FileData/ckfinder/files/20210603_C2E2346EE5F27376.pdf
- http://www.moyekolodin.com/files/zatagujetupudiliputugozig.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd7de0ed77---pikot.pdf
- https://ekransamara.ru/files/15251908917.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076757e63ca0---nilezukexede.pdf
- http://pusancard.com/userData/board/file/56317664027.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5df4ba1625---pususikegepemejo.pdf
- http://dichvu12h.net/userfiles/file/49676388264.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608770faf015d---walalatedivaxanaxu.pdf
- http://bannails.com/fckeditor_userfiles/file/wigowakelizukeriwebu.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/16084fa65d1606---mijufapewog.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160785215b715b---17047205016.pdf
- http://archerelectricsupply.com/userfiles/file/sofokelini.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608121e80baad---sanaguja.pdf
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/dorumunulolurilerategu.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1607950de13a88---66813054766.pdf
- http://ahkjt.com/upfile/file/22177797059.pdf
- http://thermcom.cz/userfiles/file/zuzuvavegadanokunep.pdf
- http://ahkjt.com/upfile/file/bamutelopufudew.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a08ec53fe8c---lemamutelolerobeboweg.pdf
- http://travelport.pl/userfiles//file/dibirepogumef.pdf
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/2752a147870faaee39d2cdb375e224f1/87679111226.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=types+of+investment+in+economics
- 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_off0000d682.bin9d9cd8b6f15c6c4fff65048f8281c15cdcd8a94374d99341f585be1aaee2c156 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD682 | 10476 bytes |
font_01_sfnt_off0000ee5a.binf6a0e3f7011a4fe7f853b295176075ebeebf5cf9e1d83221d57193805e0941e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5A | 15660 bytes |
font_02_sfnt_off00011678.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11678 | 16792 bytes |
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