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 websites hosted on compromised WordPress installations and disposable hosting, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9871
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://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/sd3h7f4s086bnqob481rqdceu7/venevuwevap.pdf
- http://starke.ca/clients/84205/File/66725686380.pdf
- https://areicon.com/images/file/63174858441.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160983004f2c3f---89583541947.pdf
- http://banhangcongnghe.com/upload/FCK/file/vovuf.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b880cd192---86582920359.pdf
- https://fanaf.com/article_ressources/file/75426915581.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc3ba7b8fc---98047281585.pdf
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b1b403d6a---74606797310.pdf
- http://bet-balance.com/userfiles/file/70835749971.pdf
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608919ce106e7---93382679583.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607794e614d1f---92117372744.pdf
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/kuep8ntujrjjha7b8ha089m1ih/toxufewaxisevegu.pdf
- http://quadocdao.vn/uploads/files/pamanepafif.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/087a5ab04ff3529f42430efd2d5b5b5c/56354734610.pdf
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/245aac6fbe18b3998f509c37388782c4/2702968323.pdf
- http://goref.ru/files/file/50255107984.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfd36b06b6---fasiwekoz.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607af61ad7fee---vibep.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/336775c70fc6553d98bbbe0c732f108e/95087723759.pdf
- https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/8bd6384fe25f5d72929c4b151c9c7814/virowagapumaradokiwawum.pdf
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/0cs8r9917bulb055s8vrcj9p16/miruwovenovulawoto.pdf
- http://cellesekorea.com/ckupload/files/pudixe.pdf
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/ec141bd8e2e83244307472aeefb62e9f/vaveluxokuxolavobozupemis.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=barry+manilow+my+dream+duets
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec9a.binbd2aae49bca9ad8b126f1e3697df7bd201e316593e98f8cc6811fb1eedd6b1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC9A | 10760 bytes |
font_01_sfnt_off0001056d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1056D | 16792 bytes |
font_02_sfnt_off00011d7f.bin649ba9d8674e0bc54e60962827f3f8d34cb97c57fcc9f43465930928b4561611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7F | 19384 bytes |
font_03_sfnt_off00014f50.bin6f166fba9de66f5e0076ffa4ab1a0055a3b3a7397e65ebf7fb884ae3f9631371 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14F50 | 41492 bytes |
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