MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and link farms, suggesting a phishing or malware distribution scheme. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://smidgel.ru/uplcv?utm_term=18+leadership+sutras+from+the+bhagavad+gita+pdf PDF link annotation
- https://clickbox.ro/images/file/31050577993.pdfIn PDF document text
- https://slavicchurchmississauga.com/fck_upload/file/gumipikurojobisufagomip.pdfIn PDF document text
- http://coral-travel66.ru/admin/ckfinder/userfiles/files/niraxuximawumejeborad.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/9s9jg2bmhnqvcvtrfdor91h91j/50971481844.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/332a9440919e1776a34672e7abd90af3/fabilo.pdfIn PDF document text
- https://12tiga.com/contents/files/puwoxegavisev.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/sogofiwu.pdfIn PDF document text
- https://www.agencesramos.com/ckfinder/userfiles/files/zazulanudipemebe.pdfIn PDF document text
- http://an-ocn.ru/ckfinder/userfiles/files/nazujuvul.pdfIn PDF document text
- http://krukaiart.com/userfiles/files/retagebopu.pdfIn PDF document text
- https://olboihorgaszto.hu/editor_up2/85153325877.pdfIn PDF document text
- http://abogarestudio.com/userfiles/file/84705445599.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/sevazivalavezez.pdfIn PDF document text
- http://abbeytraining.net/userfiles/file/85275113464.pdfIn PDF document text
- http://dentalweek.eu/userfiles/files/darubidir.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/kibigamogusufaxonimomit.pdfIn PDF document text
- http://synergytaekwondo.com/click2buy_newp/userfiles/file/vimire.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138423a49940---94881969383.pdfIn PDF document text
- https://zagorjeadventureteam.hr/files/famemupejodasisunajozagus.pdfIn PDF document text
- https://paymentor.nl/uploads/file/24817345418.pdfIn PDF document text
- https://dnm.tw/uploads/files/202109021222309764.pdfIn PDF document text
- http://otestmanager.com/club/data/userfiles/file/20210909161135.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_off0000d42b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD42B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ec42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC42 | 11308 bytes |
SHA-256: 3cfd0bbad604da32358b329db0d483942807a9287bc04caddb8a69736eb2a89a |
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font_02_sfnt_off0001066d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1066D | 18028 bytes |
SHA-256: fd2019a34cfb90e0d0d50b9ec707fa18b4479499e16cba02f0be9baca3459a21 |
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