MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains numerous external URIs and acts as a link farm, with many URLs pointing to compromised WordPress upload directories, suggesting it is used to distribute phishing content or malware. The presence of multiple PDF-specific heuristics further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://queure.ru/uplcv?utm_term=7+deadly+sins+subbed PDF link annotation
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087c9ca794bb---74276053902.pdfIn PDF document text
- https://bodegoncriollo.com/userfiles/file/geledodebojopa.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8d78b6cf---73484365770.pdfIn PDF document text
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/tv1f5303hji5cp4drl4k2r1j7u/17114112199.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/e9dbe9f6f4c67aae6df0b425c5d9a2bb/xujizer.pdfIn PDF document text
- http://controlsystemco.com/cache/fck_files/file/vizibukasilutawubukeloxez.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/99231620264.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/6133fc6f2ee9de00c39af47e95a9ef6a/85559315455.pdfIn PDF document text
- http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0a3a80dd3---lileredi.pdfIn PDF document text
- https://iohrp.org/f_files/files/63951786175.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/teketegit.pdfIn PDF document text
- http://cogersquest.com/clients/f/f6/f6194b381802d71b6842d6160e8859b1/File/ledoderotowub.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087a3400219f---85804207952.pdfIn PDF document text
- http://saintthomasmonrovia.org/clients/a/a7/a774d5b45fc75aba9c6fcf07501e1e58/File/xaguvuwibutako.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/d057f36267554aa35f0e1dcdd3a38578/3981639836.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160b4f0b562a61---63846365754.pdfIn PDF document text
- https://arhometutor.com/userfiles/file/nupabukexod.pdfIn PDF document text
- http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1608477df5611f---radogitidewovometox.pdfIn PDF document text
- https://sckprime.com/wp-content/plugins/super-forms/uploads/php/files/6c559c4ce22e6e3d91a971d280e48db4/92122481485.pdfIn PDF document text
- http://tachikawa-derma.biz/ckfinder/userfiles/files/19697517456.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/17940229881.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/df4ce97518df4052b12236f6b1966308/72039873898.pdfIn PDF document text
- https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/7l38jnhfvaqdq94umt75jomupv/42944789884.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/koveg.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/51852318032.pdfIn PDF document text
- 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_off0000f364.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF364 | 17772 bytes |
SHA-256: 3db8030fd28d9f54656876b8f66fa2877640892290e2dc1e2f05a41629b8c477 |
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font_01_sfnt_off00012249.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12249 | 10228 bytes |
SHA-256: 18d472c34e662b6d603aaa692d6d6b5d4a35a703c46c610c1258817e30c6949b |
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font_02_sfnt_off00013954.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13954 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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