MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous other PDF files hosted on compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, lacking human-readable content to infer a specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://sunarchegypt.com/userfiles/file/rokazekibibeza.pdf In PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/c29055996a6fb49365c326b76c78f820/28078545216.pdfIn PDF document text
- http://infunplastic.com/d/files/65217993335.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/7f250895c7762744842cd1c0631c0d18/111236092.pdfIn PDF document text
- https://dnsbp.com/all4help/fckuserfiles/file/bewowolovetakizosupe.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/3876e031a9988a120dc0fd4dce4b8cf7/mozesujezekijo.pdfIn PDF document text
- https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/0fb9aa799b19f751beafbe06002b5b6b/79919463866.pdfIn PDF document text
- https://lochoanggia.com/upload/files/16457913276.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16097bdc8a6442---vizobabe.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16083332157186---68168671616.pdfIn PDF document text
- http://vina2002.com/uploads/files/lapupo.pdfIn PDF document text
- http://anma.pl/anma_edytor/file/koxivasitazudoxerifugut.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-6-11/20210611115736586242.pdfIn PDF document text
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a3d9736ed---ronajurenem.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/s51s4cg4fa2ccv5patic7jpuu6/83450434250.pdfIn PDF document text
- https://inchiriereelicopterromania.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c7bcb3d9a5---kiwojigul.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/d96458b2a089284e1e5a689a14abb935/58614395622.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/160801e14a9509---dopakagazedomo.pdfIn PDF document text
- http://redigonda.it/userfiles/files/84366622004.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/41400056084.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/79336299335.pdfIn PDF document text
- https://grandhotelbulgaria.com/userfiles/file/38289338105.pdfIn PDF document text
- http://divorce-difficile.fr/userfiles/file/94160388263.pdfIn PDF document text
- https://bindazzled.com.au/wp-content/plugins/super-forms/uploads/php/files/d0e21472942e65a41db69a22e42b48b6/gomizepuz.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/210f7a1135add5a14c6beda4e07dce03/kazinezilomejikez.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=tempo+da+semanaPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001209f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1209F | 16312 bytes |
SHA-256: 7d15b2d6d265aaca51dda18faee70a1b8fa9d95ed54cb111fb0895789092f9ae |
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font_01_sfnt_off000136aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136AA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014ec1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EC1 | 10180 bytes |
SHA-256: ef701f225facf0b05fa0cd2017f534468ae7843aa611f7bae70e5b69bd843784 |
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font_03_sfnt_off0001657f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1657F | 19284 bytes |
SHA-256: bfda1cfe3f96e85124e80ae0279b91c387e60fa071c22cb5cb12de417faa7369 |
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