Malicious PDF — malware analysis report

Static analysis result for SHA-256 95d5621cfbfad850…

MALICIOUS

PDF

40.1 KB Authoring application: Pdftk
MD5: 5fd32d3d58e340c36f5e7f6cd4e5302e SHA-1: e63adf353e668d535c350e0f7b0b6912573df3dc SHA-256: 95d5621cfbfad8502230d9c0ac3fe5ff6af48364a7683bc6ad18c1d0fa34fc8e
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a large number of embedded URLs pointing to other PDF files across various domains. This behavior is indicative of a link farm or a phishing campaign designed to drive traffic to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification.

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://bearversusbaby.net/uploads/1/3/0/6/130621240/af523a62.pdf
    • http://mlhas.com/uploads/1/3/0/2/130271137/132159.pdf
    • http://2mdesignlab.com/uploads/1/3/0/4/130488734/3176538.pdf
    • http://centrocristianogetsemani.com/uploads/1/3/0/4/130483820/3f72e652542.pdf
    • http://molly-boone-wed.com/uploads/1/3/0/3/130323332/tavajinapit.pdf
    • http://michaelsautodetailing.com/uploads/1/3/0/5/130588964/4144906.pdf
    • http://kokopelliskorner.net/uploads/1/3/0/4/130476818/7bec2.pdf
    • http://airconreviewed.com/uploads/1/3/0/5/130590658/nafem-vebazew-konodebo.pdf
    • http://mrviolinsd.com/uploads/1/3/0/4/130488812/7403429.pdf
    • http://thesingbabysingshow.com/uploads/1/3/0/5/130545087/130545087.html#icd+10+glaucoma+unspecified

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011b2.bin
436ee95d1f6871a943077fb13a16cafa4f503844e07e4924181b3efe550c0ae8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11B2 8316 bytes
font_01_sfnt_off0000617f.bin
1b3f82cd74c5b6671cc0c0d4a6c7877b74bb57ca469b2a61ef541918e41af838		 pdf-font-stream PDF embedded font (sfnt) at offset 0x617F 2652 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.