MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and multiple external URIs, indicating it's designed to redirect users to malicious content. The 'SE_PASSWORD_ARCHIVE_LURE' heuristic strongly suggests the document instructs the user to open a password-protected archive, a common tactic to bypass security filters. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or downloader precursor.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://cructi.ru/uplcv?utm_term=mayukh+chowdhury+comics+samagra+3+pdf+free+download PDF link annotation
- http://boxethai38.com/upload/file/movorivawutusifisif.pdfIn PDF document text
- http://getdol.com/page_data/file/munigere.pdfIn PDF document text
- https://gencatakan.com/upload/file/93888695687.pdfIn PDF document text
- https://e-ssuances.com/ckfinder/userfiles/files/84340951769.pdfIn PDF document text
- http://rapet.hu/files/ropetadapazixomugikewupuz.pdfIn PDF document text
- http://donghotam.com/luutru/files/87190925291.pdfIn PDF document text
- http://xn--q20b13r9leepaeb.net/upload/file/202109092134596290.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/24927978957.pdfIn PDF document text
- http://innotack.com/userfiles/files/75070538073.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/88074361445.pdfIn PDF document text
- http://letresorellebio.it/userfiles/files/6189403839.pdfIn PDF document text
- http://somkuthyoptika.hu/editor_up/92579871969.pdfIn PDF document text
- http://edeins.com/userfiles/file/jotigoj.pdfIn PDF document text
- http://chinahk-ip.com/chinahk_ip/html/files/editor/file/vufaxe.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7e41e457d---36311277942.pdfIn PDF document text
- https://escolaalfa.com/userfiles/file/41467575040.pdfIn PDF document text
- http://veiligheidssloten.nl/ckfinder/userfiles/files/bilemodijifunenemuxitijog.pdfIn PDF document text
- http://neoclassicalmansions.com/uplds/file/61383459104.pdfIn PDF document text
- https://crossfitbeeshark.ro/app/webroot/files/userfiles/files/kozaxafeduzasetuwebimuze.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/mipavedifodovaladet.pdfIn PDF document text
- http://interstroy96.ru/uploads/files/73420696313.pdfIn PDF document text
- http://www.impactit.in/ckfinder/userfiles/files/64560910165.pdfIn PDF document text
- http://bdn10.cz/files/file/24873968821.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/mc2p4mkgqd09bsr31r6pdt0j40/mizulupuwejuzajedok.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_off0000bdb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDB1 | 11524 bytes |
SHA-256: 19f076024c3fc6c4c37f061e303e089f572f047e81bf84c85a4e2472fe01eefc |
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font_01_sfnt_off0000d8bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f0cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0CF | 21224 bytes |
SHA-256: 546ab027c9dbfc666d1f385fde98e32c1a91e3a7dd437f811c4cd478c7708d36 |
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