MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress upload storage and other disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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://nomylo.ru/uplcv?utm_term=thenar+muscles+origin+and+insertion
- http://execdentalclinic.com/uploads/ckfinder/userfiles/files/baradusonuzuregozowipij.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/lj9kmprhbtaqc4jv7chtohc74h/fogulamepepotevapa.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4150ec840---84438032507.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609873ae64fda---12396404726.pdf
- http://unsersohn.ch/images/file/92499510563.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160c6fd646b408---batatisafidojunowo.pdf
- http://myxroad.com/upload/userfiles/file///60284224373.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b408040193d---37549254993.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5058d9a805---dawojoju.pdf
- https://ochronaskory.pl/pliki_user/File/30145284606.pdf
- http://sooclose.eu/upload/File/53734075546.pdf
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/b1fad34f56915799f572f862f43bef95/55994089943.pdf
- http://kaupa.cz/userfiles/file/49242488821.pdf
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160adfc9683293---80547183810.pdf
- http://asesorgubernamental.com/images/file/xukajavidubigoxuketuti.pdf
- http://mayfamilycircle.com/clients/5/53/53cd9f4101e72b768929e5daf979c2da/File/76535655095.pdf
- http://teifsepahan.com/files/file/9711390341.pdf
- https://northstarexecutivesearch.com/wp-content/plugins/super-forms/uploads/php/files/5121150055cd596961ff4d9383d201c7/nodax.pdf
- https://next-engineering.com/userfiles/files/rogufufefedob.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5d4330f3bc---77003668216.pdf
- http://komputerzagrosze.pl/userfiles/file/pijenawiwowekixa.pdf
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/bvfhf1t3ki2c51qeinmpmb3uqv/24322573549.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_off0001dd67.bin34ffd136835c3784f1d7743a09f6cae4dd5603d964f9dd35bbb43751782cc521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1DD67 | 19312 bytes |
font_01_sfnt_off00020e84.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20E84 | 16792 bytes |
font_02_sfnt_off0002269b.bin06fe3d9df15ea1251d9b9e8d723cba821d8557a9b30e9afa202940917b8f08c8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2269B | 10880 bytes |
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