MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV detection. It contains a link farm pointing to numerous URLs, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://medvor.ru/uplcv?utm_term=las+48+leyes+del+poder+pdf+para+descargar+gratis
- http://studio-orlandini.com/userfiles/files/buxidonogotalevezun.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/brn3g5u0u1dt6s018kepbl8kkv/1675369158.pdf
- http://neonatal-surgery.ru/userfiles/files/fagomed.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/bbc9621878067c280da3625a7b3234f9/davikixojopakevofin.pdf
- http://cathugo.de/res/wysiwyg/file/mojobikoked.pdf
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608121f4dff54---nekeronu.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f73032fb48---51770052945.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16082f132e544c---53335084753.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d0929134e01---83719321604.pdf
- https://delphin-bau.com/ckfinder/upload/files/xanozodevek.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1606e539657b0e---18568375458.pdf
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092165b7c339---xofolupepuwubetufozut.pdf
- http://movementlab.dk/userfiles/file/gobuzawenixigewipudijol.pdf
- https://abicecream.ru/ckfinder/userfiles/files/86780307323.pdf
- http://vivaldiskibus.com/FileData/ckfinder/files/20210709_45D8102CD60BDFA0.pdf
- http://btc-ltd.com/upload/file/ginonikubunemibumo.pdf
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/62efafafe61da13d4d5c05098ec7847e/32496195031.pdf
- http://viermaalh.nl/Bottesteyn/Site/afbeeldingen/file/xuxiperopilo.pdf
- http://rzn-house.ru/upload/file/lekujakilagobezijawokesu.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/fg854pdqrk4cr1o983n3flbj94/98325607506.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/2530548ecf216612a7eecca406f41a15/89871630403.pdf
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/20f92d885f502b6214f87d59f21849b3/pisotivuxewufukunenekelo.pdf
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160775bb4c2c4b---buzetiwutenamu.pdf
- 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_off0000e4a3.bin7617037281ba1cae6d56bc6775c7b9251667dbec4588150e2d8a2c61249cd077 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4A3 | 11048 bytes |
font_01_sfnt_off0000fe5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE5D | 16792 bytes |
font_02_sfnt_off0001166f.bin4fdb7111bb5a79adf5bfce461a34e934729ba733ff8630908cc2a51fdfa70d77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1166F | 18028 bytes |
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