MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for phishing or malware. The presence of multiple external URIs and link farm heuristics strongly suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://pistant.ru/uplcv?utm_term=the+law+of+torts+has+largely+developed+through
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/8017e16d2cc7e9eb5fd1d8daf52745b4/vugefav.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd200064d1---62264923510.pdf
- https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/7ea72fa38ec442bf2f00de3e30baac21/81828094241.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf3cc5c00f---39761511780.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/rckcg4gbmurebe6hvscg4d5cvo/31213927564.pdf
- http://pulsarvn.com/media/ftp/file/xizuwatibalavagu.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/16078796094f01---lowadunujebibazopatuta.pdf
- http://www.jindatunnel.com/up_files/file/tipegolasi.pdf
- https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/b58c740a423337655c38961ec1479ca9/12895241381.pdf
- https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/0edffe7ef622fc8240bdff02f3941595/90005522212.pdf
- http://paroissedementon.fr/upload/files/rinowoso.pdf
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160772810e8520---mebafamedugogezusepava.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0aebc7rme4ifau686ar4163ne5/18229420653.pdf
- https://reparation-mobile.net/userfiles/file/bujifobijuzejoxalatoxumil.pdf
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/07b5e2d5e0a2f21dc6b2075b28d643f0/97218652114.pdf
- http://toyteepee.com/uploadfiles/file/210510003453929730dnydl4.pdf
- https://lawyerupsmart.com/tempimg/file/36587548603.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/690b62f86a2d52ed39b62257be8d2895/xawojaxefodexozeda.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/cou9pouq905ov9ku94qs0jkps2/37104273650.pdf
- http://heyumpnd.com/userfiles/file///loxaxedugotalazof.pdf
- http://cutencuddlybreedables.com/_images/file/nibukokuluwawapefaba.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_off0000e942.binfa0bf6d9dd48db0c9f253da0b215ba2bdc891d99da372595651cdca596be014a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE942 | 10908 bytes |
font_01_sfnt_off00010299.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10299 | 16792 bytes |
font_02_sfnt_off00011aab.bin69b2f46b981c1b553e494bbfd60336a4614961db7456b75c663aa648c6bb2240 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AAB | 16788 bytes |
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