Malicious PDF — malware analysis report

Static analysis result for SHA-256 e0eb102ee42607b8…

MALICIOUS

PDF

34.2 KB Authoring application: Adobe PDF Library 9.0
MD5: 4b6883c9ee2ea94e5e7e791b54a7e4b9 SHA-1: bb8d242952e027bb5b7623accb62f3bfa5cd9675 SHA-256: e0eb102ee42607b8f4d423620e7d62d8af3d2191198a2edd00c01db1521e1485
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection. 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://assortedartistries.net/uploads/1/3/0/7/130775173/1300646.pdf
    • http://stockholmweekender.com/uploads/1/3/0/6/130621063/jasasezalovisa.pdf
    • http://utahprospects.com/uploads/1/3/0/3/130323126/xinur.pdf
    • http://villageartproject.com/uploads/1/3/0/2/130288399/5116b105.pdf
    • http://photoncat.com/uploads/1/3/0/6/130621546/xinafugovov_vawilegi.pdf
    • http://enterprisesoftwarealternatives.com/uploads/1/3/0/5/130547038/48084383645bfae.pdf
    • http://trfmontpelier.com/uploads/1/3/0/6/130621164/5693418.pdf
    • http://mymvmtpods.com/uploads/1/3/0/6/130622007/f24534b.pdf
    • http://myung-lab.com/uploads/1/3/0/5/130588278/rizemiwasisigu.pdf
    • http://kathiegreenmedia.com/uploads/1/3/0/2/130274017/muwapusap.pdf
    • http://travelatyourleisure.com/uploads/1/3/0/6/130604779/5930862.pdf
    • http://www.joelianminalgo.com/uploads/1/3/0/4/130476318/130476318.html#arduino+high+frequency+sine+wave+generator

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002e66.bin
318a51f1f7615bbad70821ed097b8d2f9a00bdc1552fff0b7d46f49dcb84cd90		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2E66 8020 bytes

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