Malicious PDF — malware analysis report

Static analysis result for SHA-256 e133d0d4e7ace55d…

MALICIOUS

PDF

47.0 KB Authoring application: Scribus
MD5: 257a1bf7460bfd2af0bef7db4c06c5d7 SHA-1: cf2fec8d3c5750b8dbd336be32c5cc028b2ce61b SHA-256: e133d0d4e7ace55da584e17b4e5f0d83a4af6ba6eadd8419c01f51f2444950ef
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection and ML classifier also flag this file as malicious, specifically as phishing or traffic redirection malware. The document body, though heavily corrupted, contains references to FRP bypass tools and lists numerous URLs, reinforcing the idea that the primary function is to redirect users to external sites, likely for malicious purposes such as phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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 http://roradafev.csgo-bet.ru/uploads/2020/01/28/tineralape.pdf
    • http://hbdsw.org/uploads/1/3/0/3/130379271/vatikaxovin.pdf
    • http://leaguecitytreeservice.com/uploads/1/3/0/2/130272937/soxawikanunesotu.pdf
    • http://mizek.jannattravel.info/uploads/2020/01/27/dozamexeri.pdf
    • http://fapapev.espace-clientsv3-0range.com/uploads/2020/01/28/9055725.pdf
    • https://xupinidodat.weebly.com/uploads/1/3/0/3/130323707/412137.pdf
    • http://hinomaru-sumo.ru/uploads/2020/01/29/kirolataredojogiwi.pdf
    • http://mobile-n26.com/uploads/2020/01/27/1635223.pdf
    • http://bridges2magic.com/uploads/1/3/0/5/130588594/kuzeluxafov-detix-bonizidu.pdf
    • https://nejakujogipux.weebly.com/uploads/1/3/0/2/130272278/somupi.pdf
    • http://sultantec.com/uploads/2020/01/27/niruxolerilexorare.pdf
    • http://pezir.cardesign.su/uploads/2020/01/29/c6010.pdf
    • http://sushi-logos.com/uploads/1/3/0/5/130544240/80178.pdf
    • http://babopo.antiviruseprotectonline.xyz/uploads/2020/01/29/tajokubiwapa_nepusovug_foziwuxariso_mefivapam.pdf
    • http://zureedolls.us/uploads/1/3/0/4/130489536/3280642.pdf
    • http://romuxe.youtub24.online/uploads/2020/01/29/zotolav.pdf
    • http://vuxo.sport-farmakologia.ru/uploads/2020/01/29/baruvowa_vobidubino_libuvevapa.pdf
    • http://svetofot.ru/uploads/2020/01/29/wixuzogapidun.pdf
    • http://fastmarketing.icu/uploads/2020/01/28/ebd0c728fd94.pdf
    • http://beantownscience.com/uploads/1/3/0/5/130546759/pagivida_bulugorakadelo_varojumowobinev.pdf
    • http://artisanfoodvalley.com/uploads/1/3/0/4/130489398/130489398.html#android+8+frp+bypass+2019

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000164a.bin
d65cbf68aa3a84494bcabaa12236deff77f25249d01270c25f30eacba5cd95b6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x164A 8768 bytes

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