MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm on disposable hosting. The 'SE_CALLBACK_LURE' heuristic indicates the document is designed to trick users into calling a phone number, likely for a scam. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious content or phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://jumiwimov.ru/strik?utm_term=jazz+chord+progression+theory+pdf
- https://kanevuto.weebly.com/uploads/1/3/4/4/134484588/4b1cc0c.pdf
- https://likobikumenaf.weebly.com/uploads/1/3/5/9/135961418/bunetomi_wobupekaxo_sipupixekire.pdf
- http://lipuwisapi.mywebcommunity.org/94274022184.pdf
- http://nidewopovuwubo.mypressonline.com/27423510.pdf
- http://kosonetibekub.medianewsonline.com/calendario_serie_a_tuttosport.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pirosisob/career_paths_electronics_express_publishing.pdf
- http://gezixus.myartsonline.com/majuvapabo.pdf
- http://winimoviwimi.myartsonline.com/celastrus_paniculatus_chemical_constituents.pdf
- https://8569cc17-8b2a-4187-ace0-95b0550b99f0.filesusr.com/ugd/d6eede_25971cbd1dab4f5d964b85a6d68403cb.pdf?index=true
- http://dilexaluv.epizy.com/pijefipepunaxom.pdf
- https://s3.amazonaws.com/sefiwegegagu/90032170217.pdf
- https://4b5f4e46-8b81-4257-bf39-61fc08ba57b0.filesusr.com/ugd/7ea8bb_e322bac1ce474423bb05faf533835362.pdf?index=true
- http://kipejefanowisu.atwebpages.com/59185369286.pdf
- http://bibebebimil.epizy.com/international_journal_of_electronics_and_communication_impact_factor.pdf
- http://roxigivakupumun.epizy.com/85085524153.pdf
- https://s3.amazonaws.com/lixisariwulo/chronicles_of_darkness_dice_roller.pdf
- https://eeeff038-21f9-42a6-bde0-cd945221d618.filesusr.com/ugd/9dc459_bfb28131d3e3448b921a5eb184c15c35.pdf?index=true
- 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://scripts.sil.org/OFL
- 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_off00014a91.bin4b55710ff377a58a0bf8262fe6a628c033ff00241b6ce638d2e0db66d95c0931 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14A91 | 5524 bytes |
font_01_sfnt_off00015d6a.bincae6c097ca882b4a292242e95c48f7bcd4df5a5e999db1f45d6c465e1117cb2f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15D6A | 11708 bytes |
font_02_sfnt_off000184f9.binfb7b45e24c28c4473d0ca1c6410c593992d9a809009f9c41b5ae32c9142507dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x184F9 | 16120 bytes |
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