MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to potentially compromised websites, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of PRC/3D content is unusual for a benign document and may be used to obscure malicious elements.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
Heuristics 7
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PRC/3D content in PDF medium PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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 http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160a96708bda9f---sufowebo.pdf
- https://n-v-v.dk/userfiles/file/lozevajugob.pdf
- https://coonvalleycc.com/userfiles/file/vemifedojamonovebogabo.pdf
- http://debschoen.com/userfiles/file/nekupejalemukunana.pdf
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16087c496741e3---pixiko.pdf
- https://taechoclub.com/FileData/ckfinder/files/20210605_A5F6F148C4E4A0C9.pdf
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe94d68879---dilodejowotolid.pdf
- http://31kouqiang.com/userfiles/file/1623307933.pdf
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/vpisvka685p2qf5soh1hks29kq/juvukerilofibikos.pdf
- https://fotofidelity.cz/userfiles/file/68418549794.pdf
- https://fa-vietnam.com/webroot/img/files/kedawevibotokenelilavare.pdf
- https://musikkursus.dk/userfiles/file/65710832255.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/6d35294cfab5b6dc9a3fec7925122a8f/59331017943.pdf
- http://meteosputnik.ru/userfiles/file/sesezenomavewekot.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/657f21c6c65c67999a18cc368aba1e5c/14951291454.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607183725fd30---27381192037.pdf
- http://begemot-rus.com/uploadfiles/file/2021051401505673499.pdf
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/78860dc8e384d86bc86a9bb2d77730ef/40602303977.pdf
- https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/45al7d34kujeqrla92oj7g1e1d/76932067143.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160adaed5f0b83---rejorutemag.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160833766156f0---2426341574.pdf
- http://toonesk.com/upload/vuguxejabineb.pdf
- https://anukulagrotech.com/userfiles/file/54329245109.pdf
- http://www.electricman.in/demo/frontend/web/uploads/files/xoragixobi.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=pictures+of+pitbull+boxer+mix
- 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_off000116ce.binb4a98ba68f01978395c262d98701545bdcb1d8f1a212578eae952175eb0ca33f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CE | 18164 bytes |
font_01_sfnt_off000146eb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146EB | 16792 bytes |
font_02_sfnt_off00015f02.binceaa994783739453408359663ebd95444837213e0bbcf2cd7a48f5412b5bedda |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15F02 | 10716 bytes |
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