Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3e4d5b6a3be8bf2…

MALICIOUS

PDF

43.7 KB Authoring application: Poppler-utils
MD5: 78d86b43312c317b4c6d54caca7719a6 SHA-1: 2376c46bbd0df108a94540e0ded33e2d20fe2f6d SHA-256: d3e4d5b6a3be8bf2e9d283460b63e5bac547ad38500a4bc822b5b3e18be4e510
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique commonly used in phishing campaigns to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external PDF links, with 'glamisog.com' being the dominant host, suggesting a coordinated effort to distribute malicious content.

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://glamisog.com/uploads/1/3/0/5/130538945/5c40526.pdf
    • http://blubloggs.com/uploads/1/3/0/6/130604945/7803862.pdf
    • http://www.stacyscelestialscentsgifts.com/uploads/1/3/0/8/130874369/55f1e.pdf
    • http://tirthadipapradhan.com/uploads/1/3/0/2/130291555/mipavus.pdf
    • http://doodlebugblessingsgoldendoodles.com/uploads/1/3/0/7/130776408/muximobepu.pdf
    • http://binghaoy.com/uploads/1/3/0/6/130604386/7287247.pdf
    • http://kaimedvetdental.org/uploads/1/3/0/5/130547812/9e786.pdf
    • http://christiansaechao.club/uploads/1/3/0/6/130621908/c804dd395a9a8e.pdf
    • http://collabra-nation.com/uploads/1/3/0/5/130551554/312b7.pdf
    • http://amywoodsbooks.com/uploads/1/3/0/6/130604759/1cc988996eadf.pdf
    • http://sproutmagazine.org/uploads/1/3/0/7/130739459/3448541.pdf
    • http://www.fearlesssocial.net/uploads/1/3/0/5/130589174/130589174.html#ap+dsc+online+application+edit+2018

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000524b.bin
fd476e9ed7272eaaf845800fa80293e0a1f515cac9b53043bac4c2c84b633b15		 pdf-font-stream PDF embedded font (sfnt) at offset 0x524B 8724 bytes

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