MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high volume of links on low-reputation hosting, suggesting a tactic to distribute malicious content or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://infrive.ru/uplcv?utm_term=minecraft+io+games PDF link annotation
- http://kenshopvn.com/uploads/files/tokogusogixatakizatu.pdfIn PDF document text
- https://kientrucqhouse.com/uploads/image/files/pozimepuxotajimo.pdfIn PDF document text
- https://turdv.ru/SITE/files/editor/file/rafejevizexikiworevotozu.pdfIn PDF document text
- http://www.biogreeno.com/cms/ckfinder/userfiles/files/fupirenapemebenunepofa.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/86254872631.pdfIn PDF document text
- https://eingangrad.ch/userfiles/files/pawavurozujogunoro.pdfIn PDF document text
- http://autolavaggiocraparotta.it/userfiles/files/potatavixejasumeferegeb.pdfIn PDF document text
- http://www.drivingschool-brno.cz/files/files/lalozipigamirubomozujigot.pdfIn PDF document text
- http://lafiestadelmoto.cz/files/file/93979270301.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135265e832de---dafizakusisefaxawaxuleja.pdfIn PDF document text
- https://kccegis.com/upfiles/content/file/20210907103651.pdfIn PDF document text
- http://www.jobsincrete.gr/images/_user_na/file/53852228349.pdfIn PDF document text
- http://shopcode.ru/uploads/file/7191916087.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/fizokabujowetixokuxuji.pdfIn PDF document text
- https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/fiwetenamojalikexolifevop.pdfIn PDF document text
- https://shastriratanchatterjee.com/ckfinder/userfiles/files/vuzagitonafixot.pdfIn PDF document text
- http://chaputlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/duriwovidisovutanuximaza.pdfIn PDF document text
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613057e02db3f---64995207454.pdfIn PDF document text
- http://burragebrothers.org/demo/jolie/beta/userfiles/files/8499826045.pdfIn PDF document text
- https://thaiwoodengames.com/files/upload/files/84467695940.pdfIn PDF document text
- http://www.colormotion.cz/UserFiles/file/54806256074.pdfIn PDF document text
- http://eska-lift.ru/userfiles/file/48256381569.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/dopovirogux.pdfIn PDF document text
- https://bczenekar.hu/files/file/70942013311.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_off0000be53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d665.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD665 | 16464 bytes |
SHA-256: 3ef333d16ab4e226e052fcb2b99ffc7ef7452462c198e7f57f21a5daec938975 |
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font_02_sfnt_off000100d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D4 | 10624 bytes |
SHA-256: a55f476b7d20d3871791eaa4b2ed4ced0cd608c252029735c04a799e4d5c8705 |
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