MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites and disposable hosting, indicative of a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the heuristic findings and embedded URLs clearly point to a malicious intent to redirect users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=iit+sample+papers+with+solutions+pdf PDF link annotation
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/5f02d01fdb94dd56373871d049c50614/62946577326.pdfIn PDF document text
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607110cbea0cd---vekum.pdfIn PDF document text
- http://esoftland.com/userfiles/file/kanoxuwukolorov.pdfIn PDF document text
- https://alatheir.com/atheirwsfiles/file/debavakavikejikapa.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/461689307.pdfIn PDF document text
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/4ef5644e9233f310aa220cb9cae8b5b8/nepivipobuju.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/nsp360dvogagg60q2v2gfaqe59/dulerexipenatukakiz.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/77251631373.pdfIn PDF document text
- http://microcement.ua/userfiles/file/92593325264.pdfIn PDF document text
- http://uk-finansist.ru/userfiles/file/39947133369.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609d47a600d69---63149536571.pdfIn PDF document text
- http://henri-ruch.ch/doc_pub/file/sukixadiluvigaxi.pdfIn PDF document text
- http://novehorizonty.sk/userfiles/file/8997070101.pdfIn PDF document text
- https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/uc5bnfdlho9tflakp6qalujts9/6000803856.pdfIn PDF document text
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a96e238041---sujuset.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/zepotumaxexurevusiwavakuv.pdfIn PDF document text
- https://www.democratum.com/wp-content/plugins/super-forms/uploads/php/files/fdd3de6ecbaf2118229938fb1da7c306/14746446501.pdfIn PDF document text
- https://glycocalyx.nl/userfiles/image/file/46933732432.pdfIn PDF document text
- http://jongauger.com/userfiles/file/fuvodojopevez.pdfIn PDF document text
- http://theettiaresottawa.com/clients/e/e8/e8f54e69a7463df9fd0adff13cd8e90f/File/4768164851.pdfIn PDF document text
- http://www.awakohchang.com/image/upload/File/0619022012.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/kim9f02km8tbjpejt94mlcjs3u/84898627847.pdfIn PDF document text
- http://southwest66reunion.com/clients/f/f6/f6f8b7bd17d60304c359e527a2c43449/File/fegizigifof.pdfIn PDF document text
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160714a6c6693b---38325741978.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_off0000d916.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD916 | 10900 bytes |
SHA-256: 595bf4fc1e0aaa5c86649c22a8caee48039972343f49024df78835a403e14931 |
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font_01_sfnt_off0000f220.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF220 | 17456 bytes |
SHA-256: 5153e3e1d83302ea1c40e6d3c38251b0ddbc2e806ef5dedebf0c51a4ff127940 |
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font_02_sfnt_off00011f5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F5D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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