MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links pointing to compromised WordPress sites, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers strongly flagged this PDF as malicious, specifically as a phishing trojan. The presence of multiple links to potentially compromised CMS upload directories suggests an attempt to host or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606c96febec3d---88209129618.pdf
- http://przychodnia-felinskiego.pl/uploads/editor/file/tazarowuse.pdf
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac5f67a7372---7137951262.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/stn3g9u5lf9on6tc6ugjtkrtnh/lugenikixezogezuvofomib.pdf
- https://www.jscorporation.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608629f97f835---61316932478.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160912b068abfc---76340416595.pdf
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa58d61cd3---tevupinemof.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/135bb08d490674ee25bcdd8b8b535d85/56567104572.pdf
- http://nct-vn.com/userfiles/file/zogipobire.pdf
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a41e428c6cc---tolexesokofew.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dc3280bafa---10781558876.pdf
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/979a7dd07b9dc8463d1fbbf08e32ecf2/91252850001.pdf
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/403a7681fb232877b402b999e878e8f9/ximisidojag.pdf
- http://deepakbatteries.com/uploads/file/94854312878.pdf
- https://agroadvanced.com/app/webroot/newsletters/editor/files/dafitobalu.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160ae729f5fac1---9493845642.pdf
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16072c00469303---fuxewabug.pdf
- https://aawyx.com/sites/default/imageuser/file/jodizulinurepipetiseg.pdf
- http://irinaburmistrova.ru/files/fajogumafofinufimakibax.pdf
- http://www.dismaplant.com/ckfinder/userfiles/files/54084168849.pdf
- http://ytlcases.com/userfiles/file/pezuvebel.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1f24cef1f4---57211655962.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=4+letter+words+with+motion
- 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_off0000d62f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD62F | 16792 bytes |
font_01_sfnt_off0000ee46.bin47d7743c030645694495db512c586161550ac458d12c9e235ca78ed5d2916f88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE46 | 10416 bytes |
font_02_sfnt_off000105af.bin2dca0123d9c864e191205b3fcf2f34cc19f0db5151ca7190bc1d2e70b16e63cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105AF | 17068 bytes |
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