MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to numerous distinct hosts, many of which are associated with compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites via the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/6ccf39a3aab945da39cf08a9dd0d6a21/videgomu.pdf
- https://tlproduct.com/userfiles/file/17250987258.pdf
- https://angelsstaff.com/uploads/file/givixonovuxegod.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160a94ee3c7189---kekowani.pdf
- http://glotecgh.com/upload/editor/file/jegepoke.pdf
- https://pjkconstruction.ca/images/file/23251381762.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/3aa36e8f0332e6051cb420bc9ea5f615/9221693722.pdf
- http://gorisum.net/fckeditor/upload_file/file/vewoma.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1608035c4b21cf---35178014346.pdf
- http://paillasse.hu/userfiles/file/13900392662.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16072d5eebd73d---maridekorasitijavijavoze.pdf
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/0ca45e1ee8df126b1e4f4c1b82e18421/womipajugejenu.pdf
- https://luathoanghuy.com/uploads/files/9603149913.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160dc28ca8a890---63990895919.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/10a9a3ad36ef3d6f092f2efe8dbe5dac/panewivawavevonesufojino.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec72c7c232---60735332467.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c9cc6d3621f---77237625909.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4f0767576---kexipuvude.pdf
- https://unitjaya.com/contents//files/85981678578.pdf
- https://i-intelli.com/ckfinder/userfiles/files/10383159395.pdf
- http://55thocscompany.com/clients/62662/File/91971944818.pdf
- http://atenngo.com/admin/sites/site/documents/44602714770.pdf
- https://pmms-online.com/assets/file/61416436379.pdf
- http://cjmjwarrickhudsonfamilyreunion.com/clients/9/9b/9be434dcd9982d5451de1b36a82eb828/File/87878572236.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=id+items+ark+survival+evolved
- 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_off0000eef2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF2 | 16792 bytes |
font_01_sfnt_off00010704.bine5dad0269dcd1e8b560b7dbdb9ebaa262207f33f286894ea0d6ba24771af5e87 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10704 | 17200 bytes |
font_02_sfnt_off00013443.bind69bf680d869bfe252a2314e4ce6e23db0e400c89ca1092721787ba18ce9297d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13443 | 10516 bytes |
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