Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec8e6697fc9037db…

MALICIOUS

PDF

36.5 KB Authoring application: Adobe PDF Library 9.0
MD5: 516e29b239b32eeca1dc4dd1a298ac1d SHA-1: b32aa3dfc9fd8ea7fe10b59f8c01caa3d46bfb55 SHA-256: ec8e6697fc9037db753edfc765a0f4900104aaf1d069faaf629eb361c124004c
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 links to external PDF documents hosted on various domains, as indicated by the PDF_SEO_LINK_FARM heuristic. The ClamAV detection of 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or SEO abuse. The embedded URLs are the primary indicators of compromise, suggesting a campaign to drive traffic to these external resources.

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://binarytradeassistant.club/uploads/1/3/0/2/130270989/fefadezokof-gowanap.pdf
    • http://www.parquesfunerales.com/uploads/1/3/0/6/130604032/864aae4d4.pdf
    • http://irwsstuddogs.com/uploads/1/3/0/8/130874300/3655821.pdf
    • http://explorepickens.com/uploads/1/3/0/6/130639978/6819210.pdf
    • http://balmonline.com/uploads/1/3/0/2/130272295/5752282.pdf
    • http://legendsdarkamusements.com/uploads/1/3/0/4/130476814/tiforugoputufet_fodijapodojapux_tekixojojezofu.pdf
    • http://stator-creative.com/uploads/1/3/0/6/130639098/lajiw-juzixafog-losifenoxijix-vusiriw.pdf
    • http://strengthsgrid.com/uploads/1/3/0/6/130604026/8163737.pdf
    • http://socialoverlay.net/uploads/1/3/0/6/130621412/5ea4df63b8.pdf
    • http://simplyberger.com/uploads/1/3/0/4/130491513/558f5f09cf.pdf
    • http://sweetsbowtique.com/uploads/1/3/0/5/130539940/4d2fd411.pdf
    • http://monitor2.dbazone.com/uploads/1/3/0/6/130621666/564d9f.pdf
    • http://webdisk.stefanaarnio.com/uploads/1/3/0/7/130740221/130740221.html#descargar+pdf+gratis+y+seguro+windows+10
    • http://sweetsbowtique.com/uploads/1/3/0/5/130539940/4d2fd411

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000035e5.bin
1144813949d0b7c96690721179c28ae8ac1f115d8a57b3785c9419bf56141654		 pdf-font-stream PDF embedded font (sfnt) at offset 0x35E5 8684 bytes

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