MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, with a high ML classifier score and ClamAV detection indicating malicious intent. The 'SE_CALLBACK_LURE' heuristic strongly suggests the document is designed to trick the user into calling a phone number, a common tactic for tech support scams or phishing. The presence of embedded JavaScript indicates potential for further malicious actions, such as downloading additional payloads or exploiting vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://isitekmuhendislik.com/userfiles/file/73663458614.pdf In PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16139d9a43d60e---76503214044.pdfIn PDF document text
- http://hotspot-usa.com/js/upload/files/faserewuvukaw.pdfIn PDF document text
- https://booknowrentalimo.ch/userfiles/files/nuzefenonawepumamebibufa.pdfIn PDF document text
- http://kazuma.ru/ckfinder/userfiles/files/84394915962.pdfIn PDF document text
- https://balticstroy.com/uploads/files/rusixekubusesolu.pdfIn PDF document text
- http://herve-coiffure.ci/files/24971195463.pdfIn PDF document text
- https://afma.pt/site/upload/file/fudujusexarop.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/gemozagabegevofijomokal.pdfIn PDF document text
- https://castilloexterior.org/ckfinder/userfiles/files/1775680588.pdfIn PDF document text
- http://onlytech-tunisie.com/userfiles/file/96911866906.pdfIn PDF document text
- https://living-stone.lu/userfiles/files/59916920665.pdfIn PDF document text
- http://eownauto.com/uploadpic/files/belokimiledimadapapil.pdfIn PDF document text
- http://labonscafe.com/userfiles/sutusuwubijojikopojujopo.pdfIn PDF document text
- http://hitecds.com/userfiles/file/19810754856.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/m9dgj95e59dmoso325gis3124c/xomonitozuguzeboxefe.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/zawokitukovatane.pdfIn PDF document text
- http://masan315.net/board/imagefile/file/53402677961.pdfIn PDF document text
- http://wefocusdesign.com/upload/files/68891243246.pdfIn PDF document text
- http://hcbarrett.com/user_area/file/76496614849.pdfIn PDF document text
- http://dreamsurgerycn.com/ckupload/files/63917478679.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=wormate+io+newPDF 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_off0000bbb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBB5 | 10136 bytes |
SHA-256: 3c805386f439b79b9815bbb62abab9a3aaf2b22cb6b1f8e02edfa724a83f7a83 |
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font_01_sfnt_off0000d262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD262 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ea74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA74 | 19600 bytes |
SHA-256: 5eeefc09f330f241433c27d95588fe9738ab1421c80abf6abd86f4f3e632de1a |
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