MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised websites, including WordPress upload directories. The presence of numerous unknown URLs suggests a broad phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609d59dc0d229---63127874232.pdf In PDF document text
- https://suncables.co/images/file/bazoxegore.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/1c2229c52a5c2c9feabf0f266afdc7f9/deverebab.pdfIn PDF document text
- http://ydtmuhendislik.com/ckfinder/userfiles/files/padolepekapomaligizo.pdfIn PDF document text
- https://midasspa.com/ckfinder/userfiles/files/90855109293.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e017f07688---gupofolutigafebobokuxotiz.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/jijuwofurogiwepewebit.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/3af963a124d8899ad679cfb75e78be6e/44555813072.pdfIn PDF document text
- http://elm3rad.comfile/611999451.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ec59d49fa6---17037390909.pdfIn PDF document text
- http://medicaldistri.com/ckfinder_files/files/94795215865.pdfIn PDF document text
- https://coloreverything.love/wp-content/plugins/super-forms/uploads/php/files/6fd45e4389253f4dc07c53a6c53052b0/95283341410.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/l5le5j8386jo56q7bgq02qo0qr/bewamuzavoru.pdfIn PDF document text
- http://aldara-latinoamerica.com/userfiles/file/73492459062.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/927f20ac6d0d98d85d983c4e9e19fcd5/24619986903.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/suda61kcd86v2b63up2q8fvi06/siwonofona.pdfIn PDF document text
- http://hainescentreasia.com/images/file/rujijogekuponufimu.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/71050865418.pdfIn PDF document text
- http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/1608045d326240---wazovab.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070e7c16a361---faludixuroxob.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/70394399316.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/741d97ae221672e17e91f0c54f38b6dc/xerawegenekudatozetibisad.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/rosivenawewasuviwu.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/80495280261.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/441e823228e88d8d7f121e09d6c37578/lufofi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=still+yet+exercises+pdfPDF 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_off0000f15f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15F | 17272 bytes |
SHA-256: 2f6bebbe825147740176dca635d743f838442d2d8460c98a8414fa20bc1747f8 |
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font_01_sfnt_off00011e75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E75 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001368c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1368C | 10516 bytes |
SHA-256: 8ae75d79cafe0acd8c44864ddd8436adb5feaec96725e042ff2a3d5e478fa175 |
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