MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ML classifiers and ClamAV, with a critical heuristic indicating it is a Pdf.Phishing.Trojan. It contains embedded JavaScript and numerous URLs, many of which are part of a link farm, suggesting an attempt to redirect users to malicious sites. The PDF structure and embedded JS point towards an attack pattern involving client-side execution and potential phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://chachachat.info/js/ckfinder/userfiles/files/88450626865.pdf In PDF document text
- http://morecoredesign.com/images/imageUps/files/jebapizegujapijojesogava.pdfIn PDF document text
- https://perfumes.dropship-tracking.com/userfiles/files/sapedisugovalewubixosaxi.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/19117633587.pdfIn PDF document text
- http://arqing.es/ckfinder/userfiles/files/wugipusaxiwok.pdfIn PDF document text
- https://nangluongvada.com/uploads/files/jafolotubidivinefunano.pdfIn PDF document text
- http://sp2wronki.pl/fotki/fotki/file/ziwofupozujejodozowu.pdfIn PDF document text
- https://needletherapy.eu/upload/file/74429820975.pdfIn PDF document text
- http://hebakotb.net/userfiles/file/8229667078.pdfIn PDF document text
- http://abwlanham.com/uploads/files/kariwobebi.pdfIn PDF document text
- http://jamesandsons.ca/userfiles/file/72297955231.pdfIn PDF document text
- https://uzsienis.cvzona.lt/resources/img/files/fegufulozinuwirafulu.pdfIn PDF document text
- http://yonseri.org/userfiles/files/64988049689.pdfIn PDF document text
- http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613d058a435c2---39730974942.pdfIn PDF document text
- http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/polefu.pdfIn PDF document text
- http://etkindenetim.com/resimler/files/8662636982.pdfIn PDF document text
- http://www.dogwoodagility.nl/ckfinder/userfiles/files/14141011398.pdfIn PDF document text
- http://mkconline.com/landmark/ckfinder/userfiles/files/tejusafapifaj.pdfIn PDF document text
- http://omni-links-europe.com/images/blog/file/98087755555.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/wobavepapeniz.pdfIn PDF document text
- https://truonggiangcompany.com/userfiles/file/zoroxepod.pdfIn PDF document text
- https://gencshoworganizasyon.com/upload/ckfinder/files/fevujosav.pdfIn PDF document text
- http://gartenstadt-apotheke.com/userfiles/file/93976399783.pdfIn PDF document text
- https://ismart99.net/upload/files/45170351493.pdfIn PDF document text
- http://blekinge.boj.se/uploads/userfiles/files/80490062464.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=street+fighter+30th+anniversary+collection+apkPDF 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_off0000e313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE313 | 20876 bytes |
SHA-256: 2f6ce72c1f33de6de40aa4a2cf56d207ff97963e2e5dcb9e4d9656f768a31ff0 |
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font_01_sfnt_off000118d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118D0 | 11400 bytes |
SHA-256: 1242b641dbaca2b3e781b194cffdddff8ac24c4f0375cbda28eace57acb8f1b0 |
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font_02_sfnt_off000133b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133B3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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