Malicious PDF — malware analysis report

Static analysis result for SHA-256 7826444f549cc1e7…

MALICIOUS

PDF

55.8 KB Authoring application: ImageMagick
MD5: 795957b6455a977e8b0690933275bc0b SHA-1: ed5bdd078717cc7e99ad2e548e4f47202c2636e0 SHA-256: 7826444f549cc1e7ad2c798ddebdb09cd4c4a65c0d2ba4408f2e3feb2654ea0f
120 Risk Score

Malware Insights

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

The PDF file was identified as malicious by ClamAV with the signature 'Pdf.Phishing.TtraffRobotInstall-7605656-0'. Static analysis revealed a critical heuristic firing for a PDF SEO link farm, indicating the presence of numerous external links. The document body contains a list of these embedded URLs, suggesting a phishing or traffic redirection scheme. No scripts were extracted from this sample.

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://affectedfilms.com/uploads/1/3/0/3/130323972/vefisepix_zekaborelo.pdf
    • http://crossroadsumcanderson.org/uploads/1/3/0/3/130379482/xinasogududitev_wabid_nefidimaxix_temikefematoduj.pdf
    • http://nicolewilliamswrites.com/uploads/1/3/0/6/130621786/dodizinizug_visif_kofukufomelowik.pdf
    • http://myrallylife.com/uploads/1/3/0/6/130605166/pugapesu-vilibupimif.pdf
    • http://signranger.weebly.com/uploads/1/3/0/3/130323762/3d2e640aa8a5.pdf
    • http://jessicagaul.com/uploads/1/3/0/4/130476192/pebedoxexalewem.pdf
    • http://motionfuels-arkansas.com/uploads/1/3/0/4/130435633/1340e.pdf
    • http://cyclebavaria.com/uploads/1/3/0/4/130488429/130488429.html#bowflex+treadclimber+tc5500+service+manual

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000011a8.bin
835f8bde988574a074234d01332d656c269d35954624980736bb84d665c69c8e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11A8 7948 bytes

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