MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document exhibits characteristics of a payment redirection lure, aiming to trick users into updating financial details. The presence of embedded JavaScript and numerous external links, many pointing to potentially disposable domains, suggests an attempt to host malicious content or redirect users to phishing sites. The ML classifier strongly indicates malicious intent, and the heuristic for password-protected archive lures further supports a multi-stage attack where this PDF serves as a delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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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://akanaymatbaa.com/calisma2/files/uploads/pobetirejipixomut.pdf In PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/janumikama.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/27291915730.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/0ea0e2ad71bb5009e47f109df1ceccd5/28778647639.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16137776d33a99---3507080089.pdfIn PDF document text
- http://brkvinc.com/userfiles/file/vakukosemituworutesujezom.pdfIn PDF document text
- http://drentmedischadvies.nl/uploads/files/kenen.pdfIn PDF document text
- http://vivaldiskibus.com/FileData/ckfinder/files/20210908_E6F62BFC6554EA70.pdfIn PDF document text
- http://geluidsadviesnederland.nl/ckfinder/userfiles/files/rupexogigegurafa.pdfIn PDF document text
- https://vili-al.com/uploads/wysiwyg/files/598262501.pdfIn PDF document text
- http://akiisushi.com/uploads/files/rotolonanozibujumik.pdfIn PDF document text
- http://xn--knstlerische-biografie-arbeit-lbd.ch/userfiles/files/nikogaromuxaroporafur.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/99399200199.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/47315945534.pdfIn PDF document text
- http://7profi.net/userfiles/file/jolibodesulejojisosufi.pdfIn PDF document text
- http://dachastyle.com/userfiles/file/gukagapobetizuxonew.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/50330751507.pdfIn PDF document text
- http://fotosvatba.net/userfiles/file/sewonujikusijenawikuguwek.pdfIn PDF document text
- http://vektor-bezpeki.com/userfiles/files/96513182407.pdfIn PDF document text
- http://citescolairedeledit.com/include/file/93871142791.pdfIn PDF document text
- http://autowagon.it/userfiles/files/30155778597.pdfIn PDF document text
- http://afslab.asia/upload/files/94021982446.pdfIn PDF document text
- http://www.xn----9sbkvfu2aex3d.xn--p1ai/ckfinder/userfiles/files/bifopegexoxaporo.pdfIn PDF document text
- http://spartaksedlec.cz/spartaksedlec/userfiles/file/16670129251.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=fortnite+account+ps4+generatorPDF link annotation
- 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_off0000f543.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF543 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D5A | 10660 bytes |
SHA-256: 05d2e07e71567c241c409de8836911c1e4ad186c5cca80b2a5335f292bed2e38 |
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font_02_sfnt_off000125ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125EC | 19892 bytes |
SHA-256: 3da1165c4cd5c6ae895e4c3aea7d82b726f20188aada11034ab81e7f84836b20 |
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