MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains numerous links to compromised WordPress upload storage and other disposable hosting sites, suggesting an attempt to redirect users to malicious content. The 'SE_INVOICE_LURE' heuristic indicates the document's content is designed to resemble an invoice or payment request, a common social engineering tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://ises.ca/phpsites/vertical_living/uploads/file/sorugifibex.pdf
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb08c81d1a---gobenedivutabusorilos.pdf
- http://kibbkw.com/uploads/file/pemafavanonalozujad.pdf
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/1e1711be9808c87a7e24cd41b6257ab1/laruvituvezuxojatiwulawo.pdf
- https://kvkumariajnkvv.org/singhania/downloads/file/zumatobekitukixivotu.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16084213be6f0e---bufafoxuzojuz.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/085178721b8d5ba3c4d6dc24815d3fd4/wukoxor.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ba6f59ef0ac---jazawuvurofuzanarom.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3a45b302d---44208367162.pdf
- http://gabinetortodontyczny.eu/userfiles/file/15643496460.pdf
- https://lesfeesdelhetre.fr/upload/files/77818090590.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088a7f6e8a2a---pofivibajeko.pdf
- http://omak1968.com/clients/71178/File/37433381679.pdf
- http://autosklo.sk/pictures/file/35403393013.pdf
- http://bellina.pl/userfiles/file/97119048580.pdf
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16072b6838a597---6317819867.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/be5hpl4ci3aq00drhpkob0v5u5/pigaroretusaxufufewekofo.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd25080ce3---1765256160.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/lv98ubc1oqlv9c1j92sdgq7ijn/90241755037.pdf
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160822be74f299---damidugufexevobalizujerir.pdf
- http://alexanderkanevskyartistbiography.com/clientMedia/file/3789288627.pdf
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079fdb7b55a1---lipurewobaxotekuk.pdf
- http://sllight.ru/design/img/upload/file/39678480066.pdf
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/2a827ebcd59db6d10610207af9f7c7d1/zidunegabekumulaz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=different+types+of+official+letters+pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ed5f8a8b7---27619080676.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_off000107cb.bin18b949449c82b4edffbf3011f86c67e9b936cd31ba35f2de7be932e2fd539a09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CB | 10728 bytes |
font_01_sfnt_off00012093.bineece04b162c7df107c747b0a306d76a2d7d8ea587fc16ab96a85bb8f5f89c769 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12093 | 16392 bytes |
font_02_sfnt_off00014b1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14B1C | 16792 bytes |
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