MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a link farm pointing to compromised WordPress sites and a lure for password-protected archives. The embedded URLs, while some are marked benign, are part of a larger pattern of hosting potentially malicious content on various domains. The document's structure and the presence of multiple links suggest an attempt to direct users to download a password-protected file, likely to bypass security filters.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607399f800601---bibinigazi.pdf In PDF document text
- http://lamorenj.com/userfiles/files/10737287305.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/32575ef665de65f702f073e646c87385/45440393277.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/751rrpdne8mft82su7evck35dq/butevat.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/vr8qoehremg8cppln7v54jd885/8033133601.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/031453355094.pdfIn PDF document text
- http://smart-ventures.ch/upload/Editor_Images/files/65387395956.pdfIn PDF document text
- http://digimaap.com/wp-content/plugins/super-forms/uploads/php/files/42divmdih92kdknebj2bj3ab1q/binezapodamudoto.pdfIn PDF document text
- https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d96b1d43e---zusugogejilegavowifaxi.pdfIn PDF document text
- https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/hg1ugbt7jo0mtvp6da3d0g421g/rumumuwofanisu.pdfIn PDF document text
- https://amatnieks.com/pictures/image/54726221259.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8e66073fb---18014420876.pdfIn PDF document text
- http://rayanchem.com/d/files/77893368441.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/160a22e365abbf---52031669602.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/fojabevoginizo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=how+to+find+password+in+laptopPDF 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_off0000efc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000107d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107D3 | 17744 bytes |
SHA-256: b19646778aa45cf95aff7a050bee38b07b9127165306f2f7aa12d696fd1a1cff |
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font_02_sfnt_off0001363d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1363D | 10436 bytes |
SHA-256: bd92015168276b9521cb371ae6b049af8b25d2203ce998597f957e90db18affd |
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