MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains embedded JavaScript and numerous external URIs, including a link farm on disposable hosting, suggesting it's designed to redirect users to malicious sites. The primary attack pattern involves luring users via the PDF to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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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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://crysiq.ru/uplcv?utm_term=pynchon+entropy+pdf PDF link annotation
- http://hyundaidongdo3s.com/images/files/24906443159.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/banenalixerufita.pdfIn PDF document text
- http://greenworx.eu/images/uploads/files/69494274761.pdfIn PDF document text
- http://park-seversk.ru/other/js/ckfinder/userfiles/files/pezalosipitiwowanuvuvadi.pdfIn PDF document text
- http://marisqueandopremios.com/campannas/file/xofasot.pdfIn PDF document text
- http://nct-vn.com/userfiles/file/99998386206.pdfIn PDF document text
- http://pogotowienaukowe.com/Upload/file/85233070541.pdfIn PDF document text
- https://073741256.com/uploads/files/202109072047104349.pdfIn PDF document text
- http://roocenter.ru/upload/file/fatobilagigin.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/10841368193.pdfIn PDF document text
- http://33podarka.ru/pictures/files/gulanafamutukotoxude.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371a54d0878---56156114218.pdfIn PDF document text
- https://redac.ch/upload/62197346032.pdfIn PDF document text
- http://www.deep2001.com/images/library/File/40434714007.pdfIn PDF document text
- http://ensky-chemical.com/upload/files/zuxegodag.pdfIn PDF document text
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7bf56bae7785c8aaa5f8c7b939ba7270/81198129575.pdfIn PDF document text
- https://floridagreatescape.com/media/file/33610232092.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/lusajurudakurivupugiteg.pdfIn PDF document text
- http://ainut.fi/userfiles/file/84303073252.pdfIn PDF document text
- http://schokofontaene.de/idata/disofisaxuwosujevumufi.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/98972131507.pdfIn PDF document text
- http://hortherbpublisher.com/files/upfiles/file/49179416361.pdfIn PDF document text
- http://ettorebelfioreliutaio.it/userfiles/files/32787447644.pdfIn PDF document text
- http://mvdeastudio.it/userfiles/files/fonexemenuraw.pdfIn PDF document text
- http://sluchatka-shop.cz/files/upload/files/43521231412.pdfIn PDF document text
- http://udaybharat.in/ckfinder/userfiles/files/fabizugebulefejuvobaduvo.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_off0000c8dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8DC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0EE | 16168 bytes |
SHA-256: 8120180e2211ffe1d20cf0ff8daa5eb512ea0761c59a1a13f8d3fc0d39404df0 |
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font_02_sfnt_off00010a29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A29 | 10364 bytes |
SHA-256: d0ff454dcc9d7a72b0940e88a32e5b951942cf8e0d60a9f7ce3c6670bec3c065 |
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