MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains a link farm pointing to numerous disposable domains, many of which are hosted on compromised WordPress sites. The primary URL identified, 'https://krisoc.ru/uplcv?utm_term=metropcs+apn+settings', suggests a phishing lure related to MetroPCS APN settings, likely intended to trick users into downloading further malware or revealing sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 6
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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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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://krisoc.ru/uplcv?utm_term=metropcs+apn+settings PDF link annotation
- http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131ba2b8e6de---31152417960.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/nvc0k15abkv5o938pnglbi53oe/vuwijipufodewiwi.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c05a4ab3f6---mipofafixu.pdfIn PDF document text
- http://brixtontaxi.com/survey/userfiles/files/vusumilewovugel.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/labenaga.pdfIn PDF document text
- http://hillsdalehorseboarding.com/ckfinder/userfiles/files/38050815489.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/digitetulajalerov.pdfIn PDF document text
- http://uniquehotelsolutions.com/files/others/16939404557.pdfIn PDF document text
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/60000914135.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7bbbe17b3---xitimadagira.pdfIn PDF document text
- http://mgbig.com/upload_fck/file/2021-9-8/20210908062524201708.pdfIn PDF document text
- http://brickchamber.com/ckfinder/userfiles/files/kenonilimen.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/11916492481.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/f219fd106ae907f706043146a7553fb9/27326604404.pdfIn PDF document text
- http://sport-zavora.cz/data/file/zomedajobokuxuwonopeda.pdfIn PDF document text
- http://willajarmar.pl/userfiles/file/43056579044.pdfIn PDF document text
- http://mebizstekla.ru/userfiles/file/tususapuvuzafitinirob.pdfIn PDF document text
- http://ehomeforeclosure.org/images/file/xolinoxorijelawegusurale.pdfIn PDF document text
- http://rymwid-training.com/userfiles/file/7388278405.pdfIn PDF document text
- http://startent.ru/SITE/files/editor/file/51624699938.pdfIn PDF document text
- https://www.db-ynox.fr/ckfinder/userfiles/files/53294233843.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_off0000e2a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A8 | 10496 bytes |
SHA-256: ae977624fe3a2434c2e9072af11eaab984f18e6c012921365ba56515bc828a91 |
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font_01_sfnt_off0000fab4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAB4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C6 | 18392 bytes |
SHA-256: 8a685f16e029c17c6dfc80081df242610a77d4037335211db19b8332ccc694a6 |
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