MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to disposable hosting, indicative of a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDF documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://pistant.ru/uplcv?utm_term=weevils+in+livestock+feed PDF link annotation
- http://pactolous.hu/upload/file/buxapaf.pdfIn PDF document text
- http://sns.hu/_user/file/tawemebu.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/93982863774.pdfIn PDF document text
- http://hawaiianhunareiki.it/file/75860863890.pdfIn PDF document text
- http://beming.com/ressource/site-image/files/ragepesotexutafizoxuger.pdfIn PDF document text
- http://vuason.vn/upload/files/fudisofikosopotelulus.pdfIn PDF document text
- http://benhvienlaptop.biz/userfiles/file/tisoxexumezew.pdfIn PDF document text
- https://gcr.goldcrownresort.com/magazine_files/files/41117495608.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/goviwoborodopokoduwewike.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/12659989728.pdfIn PDF document text
- http://rulife.ru/ckfinder/userfiles/files/72609986948.pdfIn PDF document text
- http://chekeeh.ir/basefile/chekeehir/files/guwotazawapemifap.pdfIn PDF document text
- http://dream-mebel.com/pic/file/96750103995.pdfIn PDF document text
- http://corse.annuaire-regional.com/ckfinder/userfiles/files/kukuxe.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/467a0c1236171f9e9811e2dc818125e0/86332407678.pdfIn PDF document text
- http://mannaz.pl/userfiles1/file/90198086486.pdfIn PDF document text
- http://decaldankinh.net/upload/files/86402066570.pdfIn PDF document text
- http://aven.su/userfiles/file/gadogatikezaz.pdfIn PDF document text
- https://kaptenhoki.net/contents/files/22488137391.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/10791984717.pdfIn PDF document text
- http://goddesshair.net/upload/users/files/koweki.pdfIn PDF document text
- http://yuilchem.com/userData/board/file/mumukapifejorepajimaju.pdfIn PDF document text
- http://taketty.xyz/js/ckfinder/userfiles/files/dapimemewerolofo.pdfIn PDF document text
- http://gimnazjum-krasiczyn.pl/img/userfiles/file/14426159780.pdfIn PDF document text
- https://sibirprokat.ru/ckfinder/userfiles/files/fojupexogulexevopexofis.pdfIn PDF document text
- http://whatdwellswithin.com/file/68701608004.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_off0000be01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE01 | 15468 bytes |
SHA-256: 349183af0e388c63b06b7756ca34390d7914f9aa789fe9e167b48b8765857704 |
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font_01_sfnt_off0000e523.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE523 | 10356 bytes |
SHA-256: db5cb490dde47c3a02d50318ecbcab8d28ab847271a49e3b6e1817747487b953 |
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font_02_sfnt_off0000fcad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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