MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document is flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to various compromised WordPress sites and potentially disposable hosting domains. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document's purpose is to trick the user into downloading a password-protected archive, likely containing a secondary payload, thereby evading initial security scans.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://smidgel.ru/uplcv?utm_term=mikrotik+rb951g+2hnd+manual
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/1a2f9540c2ade1600b637b64e85ce3f5/tarodekolibaziwesaridor.pdf
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098a6815cca6---94502748948.pdf
- http://etpatatietpatata.com/userfiles/files/bugolewibaw.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f9d4de8034b3e83de17b907453afb715/22413588465.pdf
- https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/dncbsdmm47nrgbqfml1fm2641g/rebobilabosugejakubusunoz.pdf
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d10a3a8146---85443573885.pdf
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/4447f739ad266347a3407e502627e3a9/bafowotiteb.pdf
- https://itacademyindia.com/ckfinder/userfiles/files/55828432785.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/984ec3295f1bc834c7086b6f5f90b613/79028260764.pdf
- https://phoenixturkey.com/upload/ckfinder/files/34462004016.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/39a6idiifb2vp6s15g7ruqvce3/wokunowi.pdf
- http://aftckwt.com/uploads/file/lufuw.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d52c270a039---9856032522.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607795ba704c2---gojunog.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/c5a98c048b529d252e22a5acb3b9cfe6/39357066457.pdf
- http://www.chicagoalphas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607665be2b94a---21479896663.pdf
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/16083baba90b3a---jabebutikarowuvuwu.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_off000109f3.bin96eb87f42174122fb56cda91967d5b5f9acf0f69be1604ebccfbbbf04cc5f36d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F3 | 11192 bytes |
font_01_sfnt_off000123d2.binbdf656cfd8c8490fd02d06743e6c646ac0ed3c4b5cc19e14f02163bc00fba381 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123D2 | 19360 bytes |
font_02_sfnt_off000156bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156BB | 16792 bytes |
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