Malicious PDF — malware analysis report

Static analysis result for SHA-256 bcfdcc18c5b5b06d…

MALICIOUS

PDF

43.5 KB Authoring application: OpenOffice Draw
MD5: 75a8530cfe0e081959387b978be38264 SHA-1: fc7cb6f2cd09ae963fd2420fa21f887ef156bc06 SHA-256: bcfdcc18c5b5b06d9100f6e2606916d93f57e27a4335994ee53f662eab32d3b3
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 manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious classification. 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://sonnyxyshop.com/uploads/1/3/0/4/130489933/8cc6d91.pdf
    • http://www.ponder-osa.com/uploads/1/3/0/7/130739996/526d639c.pdf
    • http://jonahlisatoc.com/uploads/1/3/0/7/130775690/8897122.pdf
    • http://diddittbutton.com/uploads/1/3/0/5/130539139/4843290.pdf
    • http://glitterboxxentertainment.com/uploads/1/3/0/6/130605178/6ae64bb527dfb6b.pdf
    • http://www.my800waterdamage.com/uploads/1/3/0/7/130775215/movokutuveviko.pdf
    • http://soul-indian.com/uploads/1/3/0/4/130483407/tebip-birenofo-fisotapudi.pdf
    • http://sar-casm.com/uploads/1/3/0/5/130588299/90f837f83731e3.pdf
    • http://webdisk.belfastpropertymeet.com/uploads/1/3/0/6/130621309/tezidek-bukun.pdf
    • http://lagniappewithahook.com/uploads/1/3/0/4/130483413/sudematadin.pdf
    • http://www.m-a-i.net/uploads/1/3/0/6/130620230/lebodurekijad-gedibax-serudiwizesu.pdf
    • http://miromacneil.com/uploads/1/3/0/6/130620402/6502060.pdf
    • http://tsansdfs.com/uploads/1/3/0/4/130435947/f69cb1e33.pdf
    • http://numberyoga.com/uploads/1/3/0/4/130477026/lakukekerag.pdf
    • http://wilmingtonladiesteawalk.org/uploads/1/3/0/6/130620198/130620198.html#adda+247+ace+reasoning+book+pdf

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d16.bin
3c2e106de6cb787409ee9e7a468dbada390938761ac748b466265f884e05639f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D16 1960 bytes
font_01_sfnt_off0000363b.bin
8b6047a1471926ded68deafc25f5ee15bc0eee9d6921acda05558ece82b2f144		 pdf-font-stream PDF embedded font (sfnt) at offset 0x363B 16620 bytes
font_02_sfnt_off00004f3d.bin
ef9730c71b5a98f8fc0ab1ea37baf6d02bddca9ee7b6cec1e84e34b3e65efe66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4F3D 8296 bytes

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