MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to numerous compromised WordPress sites, each hosting another PDF. This structure suggests a multi-stage distribution or phishing campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/hd7vtq0bu9eg9u7abhpm3s0umu/bupuzutozojedezozinavewo.pdf In PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609488b362bbb---miwotufitibezimaxi.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5b62c8952---tikoxeparuvoxetil.pdfIn PDF document text
- http://gayaarchi.com/userfiles/file/20210707100103.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082dd965116b---fuwawifilamejazixu.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/00e4f4b5225d246ddbfd336e26b4de99/74700701244.pdfIn PDF document text
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607f57cf30465---mosavumukebegobexularegi.pdfIn PDF document text
- http://pointerboards.com/uploads/admin/files/57912067259.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/xetixupe.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c995f1a08e0---funexekisuvelazimatiwalaj.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/l6ouqjaga7v3gb75tgurbb9lj1/15739880014.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/d37a6c7a0d77017b8d0adf87d485a222/93522778111.pdfIn PDF document text
- https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/8ebe56d4c161fe49a5abf7175f945abf/29408430736.pdfIn PDF document text
- https://mimpiindah2.com/contents//files/72751504433.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/4df7da7506565fbfc433b987b72d2429/74494480808.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/70pquf0d0r0ajj7k3hemmeunbk/jijigoxeg.pdfIn PDF document text
- https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/18a3f5c90253e850852eaa3732a1f7c9/velijefoperomevisemanok.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/piximu.pdfIn PDF document text
- http://donkaew-furniture.com/ckfinder/userfiles/files/kubelibadovabod.pdfIn PDF document text
- http://exoticland.bg/upload/files/files/fomabezabis.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/84b4c6040bd2587db8e42341b5fca0bf/83797728337.pdfIn PDF document text
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/vh58i83gtil0kri5h5lqua0l17/xizedirenele.pdfIn PDF document text
- http://gasthaus-steinkirchen.de/img/editor/file/fulademoludomexutisu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=not+parallel+linesPDF 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_off0001031d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1031D | 16600 bytes |
SHA-256: 82771f6337b09a043d1ddee105ccdae5ecd148e1761335738bdf72bd48fe87e3 |
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font_01_sfnt_off00012dc0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC0 | 10220 bytes |
SHA-256: f3a5ddd4f2adb69efe5658eee3f843b5ff7f3af2b8ee6e1a12591bb81169a5c9 |
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font_02_sfnt_off000144cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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