MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It functions as a link farm, containing numerous URLs that point to compromised CMS uploads and disposable hosting. The primary purpose appears to be directing users to external, potentially malicious sites, which is a common tactic for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/fd9ddiluvl2ad2rgbtmj1hupro/44450974007.pdf
- http://beveragesgs.com/userfiles/file/finolimimigu.pdf
- https://watertorens.nl/userfiles/file/sigorepubutelumarekojax.pdf
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/0e38f05b0d2933201ddb3fe817ffdd64/nekow.pdf
- http://songiadabinhphuoc.com/upload/ck/files/84100990874.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606c724f0246d---rameresojugudupu.pdf
- https://aradmissions.com/ci/userfiles/files/gefipagoworij.pdf
- http://bensonlandscape.com/editorData/file/43864436668.pdf
- http://wojno-stal.pl/pliki/file/zerofanalixiwanow.pdf
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/453193301b0fa32d2385ece385b4ebaa/javemikuvased.pdf
- https://eyetracking.pl/userfiles/file/75148527025.pdf
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f10861e1f---vipaduxorajog.pdf
- https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/9d04002718168c6bbc8710dc5665e1a7/33948957440.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/85d4fadfe59ef5e079f5d810733017d4/58379565889.pdf
- http://afgventuregroup.com/cfiles/file/domoxoferidida.pdf
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/08f0c12c6f83e292cd6f5a1c00a0e4e6/kemovilod.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/355b905f5b3debdad6ee36ffa8fb9528/zatogexisuxemorima.pdf
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/d3f92095b6fea97cd1609af77f4da423/futusunavim.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086a955de579---wigudusal.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609da3a02af21---3634270186.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16076365db1234---luzemixo.pdf
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/38bafddf110fc90b0132689f13e6f18b/dubazisuvipuvurelexeko.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/c376e141ee9adcaa39bf80e07f39d539/kugobodefedoxotedowomubo.pdf
- https://accesoriosalmayor.com/images/userfiles/file/98620680604.pdf
- https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/febe05c44106434de627bbc4148083c0/gujutakepiwivinujorasej.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=square+meter+to+hector
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f2d9.bin5cf00bcaf1de25ff927a7f94aea0760d347919ddea20a08ae2ca3e4b37bd3433 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2D9 | 24592 bytes |
font_01_sfnt_off00012ef6.bin2f880d639eac30e3f50898196e2fc37646c3bb8c5ec616d9030e45724e191312 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EF6 | 2120 bytes |
font_02_sfnt_off00013865.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13865 | 16792 bytes |
font_03_sfnt_off0001507c.bin2a0dc4fa46fe7f59d6e6ddb0e7285463b459cf5b73073c16d39e14fa8f5d0547 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1507C | 10404 bytes |
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