MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The 'SE_CALLBACK_LURE' heuristic specifically points to a callback phishing or tech-support scam pattern, where the document likely prompts the user to call a phone number. While no scripts were extracted, the presence of numerous external URLs, many pointing to potentially malicious domains, suggests a phishing or credential harvesting attempt. The document body is heavily obfuscated and unreadable, preventing a more detailed analysis of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9939
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 http://yonseri.org/userfiles/files/sozutisaxugizutuve.pdf In PDF document text
- http://sbstroy53.ru/img/files/najogebipof.pdfIn PDF document text
- http://partnercable.com/files/79536775703.pdfIn PDF document text
- http://newworldss.com/uploads/file/xadutexigekiwuwixefe.pdfIn PDF document text
- http://piemonteforyou.it/userfiles/file/kunegepagiku.pdfIn PDF document text
- http://cableesmaltado.com/d/files/letekefagepa.pdfIn PDF document text
- http://www.cenlajobinator.com/siteuploads/editorimg/file/34209656133.pdfIn PDF document text
- http://ciba.lv/uploaded/file/kejuzegaxilowitevokolo.pdfIn PDF document text
- https://alrashed-alsaleh.com/userfiles/files/66333644600.pdfIn PDF document text
- http://robedecreateur.com/img/files/42880236443.pdfIn PDF document text
- http://influences-vegetales.eu/assets/Image/files/zuwidopas.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/magejerixabapididuwina.pdfIn PDF document text
- https://mandarinusa.com/userfiles/file/1631393389.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109290802564658.pdfIn PDF document text
- https://sua.vn/uploads/userfiles/file/fixovixilamofudimimujexev.pdfIn PDF document text
- https://paidionresearch.com/userfiles/files/kewilubim.pdfIn PDF document text
- http://vietsinphar.com/uploads/files/1371893492.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/11442013205.pdfIn PDF document text
- http://cppzone.ru/users/blogs/file/49143339843.pdfIn PDF document text
- http://dogwarts.ru/sites/default/files/file/xexukolologokinoxarotep.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/30403670251.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/fdc0b534374754f5809be09fb62d7776/gejofivanedigunafunobeduj.pdfIn PDF document text
- http://www.adarshvidhyasankul.org/userfilesfile/fesakotol.pdfIn PDF document text
- http://saraya-shop.ru/upload/files/kudexulegadi.pdfIn PDF document text
- http://digitalpolicycouncil.org/imagenes/file/75618682500.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+tell+if+your+phone+charger+port+is+brokenPDF link annotation
- https://b2cdemo.tickets.com/content/files/xemesimuretezijakem.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_off0000b858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB858 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d06a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06A | 18392 bytes |
SHA-256: 0bacc49f9730e59696720ac7df9f2e299367c674f650e379003275dc71982cd7 |
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font_02_sfnt_off0000fea0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA0 | 11284 bytes |
SHA-256: 58db19c5a44c61c1914327fd73749f71f81d1c302f38c115a6c473eab6125ed1 |
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