MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF document was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. 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 PDF files on various domains, suggests a link farm or redirection mechanism to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://spbmedaks.ru/sites/default/files/uploads/74983532699.pdf In PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/rabilesilikamefajenaxag.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/tosud.pdfIn PDF document text
- https://henseltech.cz/userfiles/file/8342101935.pdfIn PDF document text
- http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/63296658880.pdfIn PDF document text
- http://ecofincas.net/ckfinder/userfiles/files/gutozuxikerizoxejajuf.pdfIn PDF document text
- http://feg.vn/uploads/files/fafipenowurujigim.pdfIn PDF document text
- https://giga-tronics.com/userfiles/files/juwuxolapikogevozorekix.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/35519649055.pdfIn PDF document text
- http://kaushalacademy.org/ckfinder/userfiles/files/japemowubivoziwizepilujof.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/68261480891.pdfIn PDF document text
- http://www.travelwithtaangoo.com/img/file/funuvudi.pdfIn PDF document text
- http://morecoredesign.com/images/imageUps/files/40645430095.pdfIn PDF document text
- https://projetounificado.com/uploads/files/novazonufowusozitabado.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/161450a514614c---70612193221.pdfIn PDF document text
- https://generalaudit.pl/eurostyl/photos/file/vepukirizog.pdfIn PDF document text
- http://szjglaw.com/uploadfile/file/2021091417453773499.pdfIn PDF document text
- http://kleinschaden.expert/userfiles/file/pameruzuzogef.pdfIn PDF document text
- https://benhgout.net/uploads/Files/file/12252646301.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/fapazukid.pdfIn PDF document text
- http://radio-salsa.com/php/rs/filesupload/file/35642227793.pdfIn PDF document text
- https://sanvexe.vn/webroot/img/files/11054926717.pdfIn PDF document text
- https://linardi.ru/files/file/24357072958.pdfIn PDF document text
- http://riverside-plaza.com/upload/userfile/files/69925805375.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131fa9a6e6e1---mexix.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=android+device+testing+interview+questionsPDF link annotation
- 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_off0000da8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f2a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2A3 | 10716 bytes |
SHA-256: 1417c107d1ce6a53c61a44ae677ed49e2091367ba8451a6e2be18c2ba272d599 |
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font_02_sfnt_off00010aee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AEE | 17372 bytes |
SHA-256: f21680d22b16686dc0461f984f3f128eca1f27074084a416c2564d9d9c88fc16 |
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