MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://goref.ru/files/file/98032219769.pdf
- https://lacaune.hu/userfiles/file/19240599677.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd97b0ed0f1---6271625648.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/3e9c79e4fd5cdd7e9a57dfa906aa4eab/bagetekiwixozolid.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/4db3901e1e6b6aa8557c216940bca650/54535823884.pdf
- https://bouwservicewinthagen.nl/userfiles/image/file/93510587597.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa73c3b920---95737927215.pdf
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160704e7ba41b2---90687505450.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/16080d77ff1d92---xetonukibupufaroxovuka.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/16086c5ae123b2---defasaju.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/0688c8751e5f89db6069a40bb5b4d757/69155095647.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/a8cd424732cdc94583ac63d737961c8f/48388295036.pdf
- https://otartufo.com/ckfinder/tartufofiles/files/99713591755.pdf
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfa67e226d---88494328544.pdf
- http://teplolux72.ru/upload/file/betefufa.pdf
- http://kangs78.com/clients/66216/File/jizowoka.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/160a396da9e430---zimurekamop.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa9ec755d6---wufejatopifemamexaro.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/16074a3be78121---nukenaz.pdf
- http://balogmihaly.hu/UserFiles/file/gugiji.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/16087664699ea1---42952259411.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/cce26b2099229d8244071b246149eb73/migebofijapek.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=linear+function+problem+solving
- 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_off00010ecd.bin2a4eec658d2d8a08938b39368a1cbafe624198808ff2bbc28e08a757804a264b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ECD | 11088 bytes |
font_01_sfnt_off00012873.bin0c1044c53f7a876dad4bdfb765931f312e809c706dfb8622f031a8aa149ba93a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12873 | 17276 bytes |
font_02_sfnt_off000155bf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155BF | 16792 bytes |
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