MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan distribution attempt. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The 'SE_CALLBACK_LURE' heuristic further suggests a phishing pretext, likely aiming to trick users into calling a fraudulent support number.
Machine Learning
- Nyx PDF Classifier malicious score 0.9941
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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://irlanc.ru/uplcv?utm_term=sidney+kimmel+related+to+jimmy+kimmel
- https://europawindow.com/app/webroot/img/main_content/files/kexodamiki.pdf
- http://alfavit.tv/userfiles/file/54987610412.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd62628165---79000077832.pdf
- http://nextgt.eu/uploads/file/32452313962.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/8ta08kll3n9amps87gekcm9k39/72575144401.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/38281320357.pdf
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/576249a863f5a20ba497e0f1e081f99a/zirekiluwaj.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/33f8e48e349eaff8b801b72ae5dd7144/bugufemutetivokilexelosel.pdf
- http://www.firengo.com/userfiles/files/vuwuvaveferijaduwufuz.pdf
- https://istanajp2.com/contents//files/50882125151.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/2q0l4io7achbfmnmhrvcisici2/kigokapefogejadulopewuku.pdf
- https://rainbowfurnitures.com/files/files/3250061914.pdf
- http://splogservice.ru/content/files/ginejuxekomude.pdf
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df9beca6b6---39617436960.pdf
- http://rowanfamilyreunion.com/clients/28915/File/64960374208.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2ae47485f8---4233143337.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/6m6akdvt35gddtn3g1es138hu5/36367124763.pdf
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/uijbacn83e2cqqpe5eup4vvhp4/tarenafepefibet.pdf
- http://niszczeniewaw.pl/userfiles/file/71469695960.pdf
- http://pvhs1967.com/clients/a/aa/aa78cb05297cd93d8a9ab6bd1eb8a3c4/File/dobajiga.pdf
- http://washburnhs64.com/clients/f/f7/f75dc469904bb25755ea64d7551c4a95/File/49762562989.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/a021a137337d7576c3ef27b2bd97b668/rewogivefaxoxejez.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ef9e.bin6b54a3f50d1a413a5c8c0ed289a9c866e37e8bd73df0b162fe7132700ce54c18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF9E | 16100 bytes |
font_01_sfnt_off000104e0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104E0 | 16792 bytes |
font_02_sfnt_off00011cf2.bin4c1792dfad699a0e5c284aa171c007db1ac0e864b589698b7733240130a18f5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CF2 | 17708 bytes |
font_03_sfnt_off00014bdb.bin04c1226fbe0877d70342be869d48875ec2cdf6f2aa23c5a3030f45eaa5ecb595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BDB | 10652 bytes |
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