MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
T1059.007 JavaScript
This PDF document was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The 'SE_CALLBACK_LURE' heuristic suggests the document is designed to trick users into calling a phone number, consistent with callback phishing or tech-support scams. The presence of numerous external URIs, many pointing to PDF files on disposable hosting, further supports a phishing or redirection scheme. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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://laborke.ru/uplcv?utm_term=google+browser+update+for+android PDF link annotation
- https://istanbularicilikfestivali.com/upload/ckfinder/files/fuxosufululigadanamafetab.pdfIn PDF document text
- http://nscenter.cn/upload/files/57819223192.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/8b193815cb46c27561558abdf60c9091/45925997861.pdfIn PDF document text
- https://penzionradvanice.cz/res/file/lobedodotokoxekasaxomim.pdfIn PDF document text
- https://www.wemservice.com/ckfinder/userfiles/files/68137436009.pdfIn PDF document text
- http://mastrodibaglio.it/userfiles/files/81322099930.pdfIn PDF document text
- http://timebymtm.com/upload/files/sixiwi.pdfIn PDF document text
- http://hmsendo.pl/uploads/editor/file/41929183965.pdfIn PDF document text
- http://vizugy.hu/uploads/files/golasijememumifozifi.pdfIn PDF document text
- http://grupopiscis.com/upload/files/supiwesu.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/56096668274.pdfIn PDF document text
- http://ap116.ru/userfiles/file/vivineno.pdfIn PDF document text
- https://solelane.com/ckfinder/userfiles/files/43275840414.pdfIn PDF document text
- http://cjmfgxfollow.morefriendship.com/upload/files/gepajin.pdfIn PDF document text
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/79719186267.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/masixa.pdfIn PDF document text
- https://sudhirsachdevaclasses.com/ci/userfiles/files/72202676296.pdfIn PDF document text
- http://pokwuttibut.com/file_media/file_image/file/zanalek.pdfIn PDF document text
- http://wernitznigg.at/files/35810013807.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/161482bfdcee7a---lakifi.pdfIn PDF document text
- https://alev.az/userfiles/file/68199111053.pdfIn PDF document text
- http://megat.pl/uploaded/fck_files/file/xumopu.pdfIn PDF document text
- https://inchirierielicopter.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161451535cc719---revotax.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_off0000d706.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD706 | 16820 bytes |
SHA-256: ec7bcc438a2ff031a07e93e7b49d7590ea4439ffc97a732d92ef6ad0d145fbb7 |
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font_01_sfnt_off0001026c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011a83.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A83 | 11036 bytes |
SHA-256: ecf673aae6524da9888037ea77cbc98a3553b72b532cffefa4459e386fd33df9 |
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