MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links to compromised WordPress sites and other domains, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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://inwebjor.ru/uplcv?utm_term=solemnity+of+the+assumption
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac05385b350---50067407792.pdf
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/a049b26a4e26e8c1d1d5e69f9cf9b19f/wubinakorinisusezufaz.pdf
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/dl8147mt84jorhl9q59dkhclo7/42970998516.pdf
- https://fedico.ca/upload/editor/file/80961477643.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/f2d24842759d7367f59ebb38287bd48b/jesivijovufopun.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/9cb6f536dfc967e6a08cd7a0f04f6315/wagubolifepixilefoli.pdf
- http://statewideroadservices.com/clients/879378/File/gokirobuwibojidil.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a0902caf178---956157578.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6fd7d637f---mipofobuketere.pdf
- http://www.findvoters.com/userfiles/file/nifopulizezununovadexili.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3472a69baf---welazo.pdf
- https://hacunamatata.ru/wp-content/plugins/super-forms/uploads/php/files/eb0a7c110e970c53170f6a4d842acace/zimezabesitemidoveredugo.pdf
- http://coinproject.com/userfiles/image/file/nasezufapepeponu.pdf
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/d50749dd91ff7d9674b8687fda0799cc/83807422755.pdf
- http://kemenyseprosiklos.hu/upload/file/futurus.pdf
- https://condicionamentofisico.com/arquivos/file/kexakinalemataruf.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/158d241cb5c82e5f0b5669435b09fd9c/23071085854.pdf
- http://szalkasszorutacskok.hu/app/webroot/files/content/files/35103577667.pdf
- https://comobrew.com/newsite/images/user_uploads/file/xedavejaxizat.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094e9216c9e5---22461813980.pdf
- http://esthebel.de/userfiles/file/sofuk.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_off00010a7a.bind2e67b1932509bbc276800dbc32dc7c7696c6cb1f34b68a473c8a1a2f42ca59b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A7A | 17364 bytes |
font_01_sfnt_off000137fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137FA | 16792 bytes |
font_02_sfnt_off00015011.bin529a9260db81edcb47ab95d1b0da6891be0a9d957124c6a434ee81f84988e794 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15011 | 10812 bytes |
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