MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
This PDF document exhibits characteristics of an advance-fee scam and MFA harvesting lure. It contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting a phishing or redirection campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into revealing credentials or sending money.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 8
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://chcial.ru/uplcv?utm_term=to+fill+out+a+form
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/3ae7289bc808fc2fc39c8acb52d0813d/3309479313.pdf
- https://roc.mn/uploads/files/11078702899.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/76617a562f882f4f57104f131254ef82/4933402503.pdf
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/ig673klf1lrvk4lresc9u41prj/rozaxeja.pdf
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16075f04f97ac3---resanapinek.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071fcb67a0f1---89824825650.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae3650f121---nelegetiwolisiwosur.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc63432d9d1---bonulubikakavi.pdf
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/ee3c44de030adf7c26a87faa4c1a2369/9183919132.pdf
- http://quaint-house.com/zupepumijija.pdf
- http://ongnuocdenhat.com/upload/files/sefidivizafox.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bae8656e0ef---gubeladuto.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2783e64ca---53977885299.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160818c199f517---beronisilimof.pdf
- http://nowyhotelik.pl/userfiles/file/xarugugozijiner.pdf
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16080bb50865c2---vinipirebenoziburod.pdf
- https://aprilboya.com/userfiles/file/94956919201.pdf
- http://3mfa.com/images/editor/files/836293677.pdf
- http://msamerica.net/clients/873634/File/50785898766.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a40b04616bd---1866307706.pdf
- https://muzeumkonstancina.pl/attachments/file/gukavuzu.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/74eda81719a2e4fdb2eb447689da3414/12501668089.pdf
- http://naucseto.cz/storage/pazokanitazorovez.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010b4b.bina5e0c6a831f405beee867e050190829bea2d226563151c849bd31dacb8ff66b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B4B | 17440 bytes |
font_01_sfnt_off00013911.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13911 | 16792 bytes |
font_02_sfnt_off00015128.bin31d3d7788bd4c93a10c60197b3ad716d2737d01122d0b35d9e558a41edb4bb4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15128 | 10036 bytes |
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