MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress sites, likely intended to trick the user into downloading a password-protected archive. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' strongly suggests this intent, as it indicates the document provides instructions for decrypting a payload. ClamAV detection further confirms its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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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://infrive.ru/uplcv?utm_term=yugioh+reverse+trap+card PDF link annotation
- http://doktor-okonski.pl/uploadimg/file/23005135169.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1607da19edb196---woregufamovofepa.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a97f682425---domedivimozijovum.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e10ec1008---64364876114.pdfIn PDF document text
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c153f8f5d4---repazurazolewupunomage.pdfIn PDF document text
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099b42c9853f---32736861159.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608af28549a22---73306674292.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/5ebri3bidsb8ho0b762nbq4k6l/70922103025.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a58d2b90fb0---56311349237.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/0h012ma8hul2g0hjljv0em4292/5292950406.pdfIn PDF document text
- http://imbirimbir.ru/files/98738125839.pdfIn PDF document text
- http://cosmik-kino.ru/sadm_files/53949407785.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16077a4c28ddb2---50059549171.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/bonezubufaxu.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/5b3e6d4b5c7ad929e53ada41aa0016f6/74826540755.pdfIn PDF document text
- http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160acb087ef944---kigivazatamikomarok.pdfIn PDF document text
- https://gea99.com/ckfinder/userfiles/files/22176276707.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609099c53f4b0---44917181207.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/2056eai1jj07tn72u8rfuaea2h/4405182173.pdfIn PDF document text
- http://unioncentralreunion.com/clients/3/3a/3acd25563584ef55397927d4124196c4/File/zukupototesizunif.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/siwibujirakesez.pdfIn PDF document text
- http://emeat.ru/var/files/54838323607.pdfIn PDF document text
- http://wghsclassof69reunion.com/clients/b/b3/b33699c65747f61a54cd06c2fab73d22/File/tifaxuwavatixowazuvozoxo.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/bb3fb15eefe2c544d61885a465532d0b/fovuzatanifilew.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d852c61ce---77240129672.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_off0000b897.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB897 | 10792 bytes |
SHA-256: 7c59d576ae3b65bdb43450ab43d54d3de35d3fa31b37a692d337943f51dcc8c8 |
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font_01_sfnt_off0000d16b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD16B | 15540 bytes |
SHA-256: 85222ccbe59da30758e9c8c83c71d4a8e801c9afb3a743cc7502e8b6f215b21b |
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font_02_sfnt_off0000f90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF90E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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