MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links to external domains, many of which appear to be hosted on compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, indicating an attempt to hide its true purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://infrive.ru/uplcv?utm_term=the+burning+house+anders+walker
- http://kaupa.cz/userfiles/file/66954448566.pdf
- http://absolutelyneon.com/userfiles/file/73945568899.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/160bf979e693c0---juvogisonatokujisojuweli.pdf
- https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/e2fe4a07f51be3c10d8c2961843dcd19/21722023687.pdf
- http://www.veronicaneal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/160d38509e1b16---jenukoxavufid.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/eropsvv38e79m22edo6ij7gah0/72499576701.pdf
- https://accuratesearch.com/userfiles/file/jejidepovizuwoded.pdf
- https://hostsolutions.ro/app/webroot/files/userfiles/files/27241268346.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607006bf2fce9---47300518994.pdf
- http://creativeindustries.ru/uploads/userfiles/file/2032561241.pdf
- https://empylean.com/wp-content/plugins/super-forms/uploads/php/files/18ijca20np30p0n06ian15q2fa/zugowazasap.pdf
- http://nwatchonline.net/userfiles/file/16131090277.pdf
- http://www.specemc.ru/upload/files/35234516264.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/75aa37ed862129eec264d6895cdde232/10197837781.pdf
- http://southportrubbish.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c0146dbe8e---vubotujekutarifijanu.pdf
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3a068a1776ecf3fe6b2acace085c23ea/61776841539.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1ec1c39cd---7826515377.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c3ef14f084c---74982791978.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/fmdduru38ao2vofrhb8ga04ro5/jolajuv.pdf
- https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/60a5319f18e7012f2b9f138e8dc11611/fawodovazewuvedisokon.pdf
- https://vyrukrc.lt/userfiles/file/dejupolefefodutato.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16093aad4b5db6---47716405783.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_off0000eef6.binb10fac327c1d9614a4147d3de239cf90820a27c3b9654804d085f68d92dc24cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF6 | 17088 bytes |
font_01_sfnt_off00011b66.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B66 | 16792 bytes |
font_02_sfnt_off0001337d.bin6c28e457fe30822a76bfc1db8578df1c2872abbe7c294095755456809e9ba99c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1337D | 10812 bytes |
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