Malicious PDF — malware analysis report

Static analysis result for SHA-256 acb2be0c95df08d6…

MALICIOUS

PDF

56.2 KB Authoring application: PDFBox
MD5: 92852e6d6ea1afa5f5d201f45cd0cca8 SHA-1: a82e97d9a83f75e38d726742d2a0d2289bd6eaa2 SHA-256: acb2be0c95df08d6ceef7fa7bae819638f20703c87bc435522f43e1d7d1f32f7
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents, a technique often used for SEO spam or to distribute malware. The ClamAV heuristic also flags this as 'Pdf.Phishing.TtraffRobotInstall-7605656-0', indicating a phishing or traffic redirection purpose. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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://admin.millenfamilyfarm.com/uploads/1/3/0/3/130313159/62ba6fbb4.pdf
    • http://theamericanactivist.com/uploads/1/3/0/5/130590716/tazamon_semefedezizefid_mixig_wabaz.pdf
    • http://sponsorzs.com/uploads/1/3/0/3/130313149/rivexut-woguret-totem-zaguzin.pdf
    • http://stylerev.com/uploads/1/3/0/6/130639027/4071261.pdf
    • http://mypsychologist.ca/uploads/1/3/0/5/130551302/cea24.pdf
    • http://konceptdev.net/uploads/1/3/0/3/130323155/mibaluxu.pdf
    • http://coacharielle.com/uploads/1/3/0/4/130489467/gurewurug.pdf
    • http://driversedgrades.com/uploads/1/3/0/6/130639926/babusutomelokonak.pdf
    • http://owenmuirmd.com/uploads/1/3/0/4/130475979/rujefaxitobede_xiluxelanave_wesodemimufo.pdf
    • http://soundinmotion.org/uploads/1/3/0/3/130379589/dekid.pdf
    • http://dfsheetmusic.com/uploads/1/3/0/8/130813997/vizesibopago.pdf
    • http://thomastrevino.com/uploads/1/3/0/4/130478360/tururixodifuj.pdf
    • http://basedstickman.com/uploads/1/3/0/5/130539053/jibosu-jejubu-vazuzowad-luridisogajeg.pdf
    • http://yourvirtualbestfriend.com/uploads/1/3/0/4/130483895/ripunuzaworur-xivun-kunibo-jonod.pdf
    • http://gaymer.tv/uploads/1/3/0/5/130588513/kesejinefu.pdf
    • http://sta-66-99-58-212.ladse.org/uploads/1/3/0/7/130739197/130739197.html#appsc+group+2+key+2019+syllabus

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008272.bin
c694af868084aeb5ebc8d65577de09e53746be22ea5618e72bb596bdf5d08f39		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8272 8020 bytes

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