MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which redirect to other PDF files, suggesting a link farm or redirection chain. The heuristic 'SE_PAYMENT_REDIRECT_LURE' strongly indicates a business email compromise tactic. While no scripts were directly extracted, the presence of external URIs and the nature of the heuristics point towards a phishing or redirection attack. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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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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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://huntic.ru/uplcv?utm_term=how+to+delete+everything+from+android PDF link annotation
- http://ideatity.com/ckfinder/userfiles/files/39565586962.pdfIn PDF document text
- https://pnp-studio.com/fckeditorfiles/file/makajefanatiliziligikolib.pdfIn PDF document text
- http://tunecharts.com/userfiles/file/98693389161.pdfIn PDF document text
- http://fine-cottage.ru/userfiles/files/38801750211.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/gusupibi.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/dowijekaxubiwuwoji.pdfIn PDF document text
- http://salt17.com/userfiles/files/rezezorotovugoxesufureg.pdfIn PDF document text
- http://dietetyka-24.pl/images/files/jolafawojeru.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16133c871e7021---94415712656.pdfIn PDF document text
- http://e-restauracion.com/app/webroot/files/uploads/files/xasisegivetitisa.pdfIn PDF document text
- https://el-tall.pl/pics/file/2710274592.pdfIn PDF document text
- http://netichikawaya.com/userfiles/file/kubetado.pdfIn PDF document text
- http://md-servicios.com/userfiles/file/ginurew.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/vomeg.pdfIn PDF document text
- https://isleo.com/i_photos/file/widesunovazafi.pdfIn PDF document text
- http://www.accl-calibration.com/login/ckfinder/userfiles/files/96959823705.pdfIn PDF document text
- http://w-f-l.de/user_img/file/jitamajon.pdfIn PDF document text
- http://ylphs.com/ckfinder/userfiles/files/17425034435.pdfIn PDF document text
- http://dungcubepgiangtrinh.com/webroot/img/files/kokozedewux.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb5b9ebd7f---59858409999.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/bijoxaxubaduzoniked.pdfIn PDF document text
- http://workontext.ru/media/file/71062412657.pdfIn PDF document text
- https://nomortiga.com/contents/files/sigutavil.pdfIn PDF document text
- http://duocthientam.com/uploads/ckfinder/files/nuzazarukidowonakosepula.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_off0000d7e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7E4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eff6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF6 | 17556 bytes |
SHA-256: 3e6afc4dc5a3ac6ec9d4178a3045660616cdae18a58a47692ff77e3d938bb804 |
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font_02_sfnt_off00011d95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D95 | 10888 bytes |
SHA-256: f0cc10d76dda2b7a05d8131098a1fa72b2ea1fe507c194fba06abaa81b949396 |
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