MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier with a high confidence score. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm indicators points towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://catamma.ru/uplcv?utm_term=examples+of+insulators+and+conductors
- http://dui-antidote.net/images/userfiles/file/34359467449.pdf
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/44fb16111c5b8fd1066fc8de91ed8a28/90136629487.pdf
- https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609cdcb886b47---39850541744.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/c8ec09a0af62e23184a937670b5efe2b/gijedilamifewedov.pdf
- http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef12933f17---2626432621.pdf
- https://audreyheselmans.com/_files/file/73940803761.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3bca2c4a3c---pilejapoxilofigomit.pdf
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/ftr9hjoknjndfdmbnogilknfv2/vunurovope.pdf
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/99594e822329d832f38c99ef8b7f6b29/zesukujazotubel.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160802834a2877---neson.pdf
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/959d59262ce57db2756dce5be0e442e8/tolabegakemejumu.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/e347408b84b8db4e6774c5c107006cfb/pazamegefaruvajuj.pdf
- http://bartuceviri.com/userfiles/file/94783037876.pdf
- http://hanasushichoice.com/uploads/files/79214807246.pdf
- http://ipsgroupjjn.org/userfiles/file/butaxiju.pdf
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160885c986dfab---kodiporuzuwawujep.pdf
- http://studiosiciliani.eu/userfiles/files/41451315915.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8ef5ad99d---diwasolagomebesavu.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160789a14d1581---zadutugamatek.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b7aca0acb7f---91345055007.pdf
- https://zlato-eu.cz/upload/files/7592899531.pdf
- http://baovephuongtroi.com/vietkiendo/upload/file/97695800830.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/1341551267361b6ada3524778a59467a/50853690262.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_off0000e2bb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2BB | 16792 bytes |
font_01_sfnt_off0000facd.bin3748a8c7a0de276f88d00bc35224cdccecb609a0fcb1bb6c8fb1b28409ef3b96 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFACD | 16936 bytes |
font_02_sfnt_off000126ef.binfdeb6b7c26ff92737fc6cb0c45b6ea8547cee7bc62b672470b7ea4ffbe24c2b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126EF | 10964 bytes |
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