MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links pointing to compromised WordPress sites, suggesting it's designed to lead users to malicious content. The document body is heavily obfuscated and unreadable, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/8ddd122c4336a870bf9e3f4c22b11902/98623299527.pdf In PDF document text
- https://wills.sg/wp-content/plugins/super-forms/uploads/php/files/67f225163ff4bb2fdda6e14c1ff62c96/76361088419.pdfIn PDF document text
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/d2vlrs0lmtmqrs1evgkkmt1c8o/gowipuxenikezog.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/solivitepov.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/82312112476.pdfIn PDF document text
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/1d5da86177a65540a62458c0ee6e5689/75806446243.pdfIn PDF document text
- http://siembra.me/uploads/files/52911732393.pdfIn PDF document text
- https://cms.blauraum.com/wp-content/plugins/super-forms/uploads/php/files/90302f92222746b3fe5032e8e55ca6c3/17379736516.pdfIn PDF document text
- https://evocative.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b74582600ec---9147487405.pdfIn PDF document text
- http://uamarkets.com/images/file/pebiwebakamim.pdfIn PDF document text
- http://joelcsimonesq.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/47307465592.pdfIn PDF document text
- http://emmanuelmissionarybaptist.com/clients/74938/File/bezagutimuxenupib.pdfIn PDF document text
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/9bmvj8n7brk75fjp9fj7sce10d/numunozolozumixapubot.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606f42664cd1e---wizubikud.pdfIn PDF document text
- https://jodhpurtravels.com/nbloom/fckuploads/file/39544448180.pdfIn PDF document text
- http://dbjhockeytournament.com/clients/f/f9/f9ff496842c877cbb4522510b668f2a2/File/vasovi.pdfIn PDF document text
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/d774318f4fd1e2450cfe9b70025b9d4f/gizodijebuz.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16080d61630d0b---13519729011.pdfIn PDF document text
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/c2d3037cb8162c65048b7f9afb711549/towejufadexus.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607c88a37f4b6---83319763496.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d506a5623d---48531936398.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/91111987693.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/d8t5ng151n82md0s7qsu63incg/43263872558.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c306fb029c---28154761954.pdfIn PDF document text
- http://rusiuojigalvoji.lt/wp-content/plugins/formcraft/file-upload/server/content/files/1609c71dfe0b01---bisegokizemaralarol.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pirates+of+the+caribbean+4+greek+subsPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001a555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A555 | 21572 bytes |
SHA-256: fcc01202f88b684ca840bbca8f1700b144381a085cc77180273f4b231f34fae7 |
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font_01_sfnt_off0001dbad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DBAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001f3c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1F3C4 | 10980 bytes |
SHA-256: 340b70fbf36cd2a2309f9b28814a36eea981c0a5739d1349b7ad8efa7fd49fba |
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