MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains a large number of links, many pointing to compromised WordPress upload directories, suggesting it functions as a link farm to distribute malicious content or conduct phishing. No scripts were extracted, but the presence of numerous external URIs indicates a strong intent to redirect the user to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://tl-systems.hu/files/files/85258917393.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607201e366353---75241571497.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9938b61c41---laramizudetum.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/e1e8e9ea565eeb1490c606c1e70f76bb/99908159580.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/24236044410.pdf
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/d5a340c45ced97f6743d5ef456d0cab9/kajani.pdf
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096e22086af6---76076316880.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095924d0944c---18142860123.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ae9934df0---18852181085.pdf
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/b4df5989354c93157f231158985485b2/63964992280.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/ou8147hpl3m7ie1te2pge6sse7/96396119283.pdf
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160778223b30dc---vovojulukibovizivemefo.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/64689ee5101d0ef8c5441abb8f0ed4fc/2157267990.pdf
- https://ferado.vn/userfiles/file/bosuganuvexukewave.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073b5fc259f2---pizijuvazotu.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160726b8c8f7af---zotanirazadoraperiwe.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/rk0tvnb426qtgq6m72opr6o8j0/wapinozuponituna.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/69957773944.pdf
- https://marcuspietrek.de/MARCUS/files/file/dutapuwusodu.pdf
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/64418578915.pdf
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086f80c1f17b---78213928680.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/j45ijugu7t2f79pjsf17abps8f/kalufotoloxulutokotofep.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/7ftu6hrclc4fjc2nqei0boobk3/36506088415.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=examples+of+limits+of+trigonometric+functions
- 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_off0000d946.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD946 | 16792 bytes |
font_01_sfnt_off0000f15d.bin5499f1f4ea862aaff46b895cca3a4c261177a9ded623dc92f97c3d3683cd0c76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15D | 11008 bytes |
font_02_sfnt_off00010af4.bindb43abdaeb27918b61e37072556eeb32eaafff7ea703293f9a6bcbc59390cac0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AF4 | 18380 bytes |
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