MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier indicating maliciousness. It contains numerous embedded URLs, many pointing to compromised CMS upload directories, suggesting a link farm designed to distribute malicious content or phish users. The presence of embedded JavaScript, though not fully detailed, further supports the likelihood of malicious activity, potentially for downloading second-stage payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d72f708b767ab03ec66f1d31ac8d3a9e/93523071998.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/daea642310d52b9bde9bd14365d84370/20283295536.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/61611b97add4be5a5b45b7b8d960c6ae/68852359677.pdf
- https://volnynaklad.cz/data/file/30430442411.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ec7f08c42---7406226081.pdf
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/4ebea25a66bc4a88e0c46e6f7ea20018/nawudonowawewudofedukobo.pdf
- http://evohome.pl/userfiles/file/borirugogujupopepidopab.pdf
- http://iltorg.ru/upload/file/90101280998.pdf
- https://beautyreviveshop.com/newerac2c/userfiles/file/21358713699.pdf
- http://tofuyatogo.com/uploads/files/38843965666.pdf
- http://asfalon.com/__files/file/lunegegofetokalit.pdf
- https://medprobr.com.br/wp-content/plugins/super-forms/uploads/php/files/403107861585b51dfbb096f1c1ffa1ef/94127002145.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087be73905c6---duteginugex.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/c0707252ea86b4c364e0f5af80abe203/81310353290.pdf
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/47528311305.pdf
- http://3q1p.com/upload/file/210620182036236377tt6nuby4c2zj.pdf
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160794ad129be5---zegewulolunaribafed.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4d59981d0---tofosulise.pdf
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba2f0baaf1a---xepori.pdf
- http://jameshamiltondds.com/clients/6/6c/6cc67b5d90347a591bf4e9c0b97a5143/File/liviganeroradelubixev.pdf
- https://www.cpro.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16078468820fbf---bariwebe.pdf
- http://yangpupark.com/uploadfile/files/xumoguse.pdf
- http://kientrucnhacuagio.com/upload/files/75528221266.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c1f17cd28---wituxam.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=of+alexander+the+great
- 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_off0000e694.bin017853dbb1d2f9ea5f87801b8824a6cb2e132dc9957af1297cff2946a08f556d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE694 | 10380 bytes |
font_01_sfnt_off0000fdd1.bin57980cdd99b76e09cdfd34687163f28e60b6bc45bb6d1079e601c4d8f63da6df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDD1 | 18044 bytes |
font_02_sfnt_off00012c24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C24 | 16792 bytes |
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