Malicious PDF — malware analysis report

Static analysis result for SHA-256 b649dae91206b757…

MALICIOUS

PDF

63.7 KB Created: 2021-05-27 17:57:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86da162fdd5e5c9dee2f8a7863bc8cae SHA-1: d4cf49718efb0c42c3e329a6e7f5a3becb973c84 SHA-256: b649dae91206b7579311ae5d9369e4d8dac1f86765a547124d99e552c1b28a2b
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document leverages a lure of 'Baccha sosur full movie part 1' to entice users. It contains numerous links pointing to compromised WordPress upload directories, suggesting it's designed to host and distribute malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8201

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Embedded URL info EMBEDDED_URL
    One 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://oniceh.ru/uplcv?utm_term=baccha+sosur+full+movie+part+1
    • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/671afb0c7d91f6bb56e9a11eaa47340e/ridotixesajesamapuleb.pdf
    • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081099d8bc03---sedotakoxamoreriv.pdf
    • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/16071779cbaab2---pazuwux.pdf
    • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f1cdqqvm6uk16ohs777sm2c501/59208221071.pdf
    • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/3d3762802b2595ddbedc50da4c02c285/38042684603.pdf
    • https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/ae6dc57949cc466edc3e31f27653234b/bozizideze.pdf
    • https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/ro7guu5p8i2p22t6mac8ml7lvd/91647448616.pdf
    • https://anmimar.com/royal/userfiles/file/75335307337.pdf
    • http://albino-pitti.com/pub_img/file/7676222900.pdf
    • http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160748a246ad93---90491731063.pdf
    • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/d479ac176087939288e5d79365f43eba/25350869194.pdf
    • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/798e027cc6e3a00dd04d7fc00de1d4d6/jidejovenu.pdf
    • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16081230c79c87---nasoxilegunotoj.pdf
    • https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/00253e603ade7caa631df3e5b0611a61/82214278821.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d6fc.bin
3acf3b3d97af1d7ad3a15674fc3fb83a5e18e04ccec54c529552a282112df2f8		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6FC 5416 bytes

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