Malicious PDF — malware analysis report

Static analysis result for SHA-256 2987f611e4d4251b…

MALICIOUS

PDF

129.2 KB Authoring application: Serif PagePlus
MD5: 5e9a9b6a80565385aeb609c7b51c89b0 SHA-1: 02201d421c5c0572af4fc843e0bd744c8a02c977 SHA-256: 2987f611e4d4251b800915f5bef319ea1e9e80e022437d30214df1e0124f9248
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample, limiting the analysis of direct malicious actions.

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://stonewoodhops.com/uploads/1/3/0/5/130589208/woresazewov-xiwuneda-pakijizomil-juxiw.pdf
    • http://natalieelizabethseipert.com/uploads/1/3/0/5/130588357/zejafi.pdf
    • http://katiegbryant.com/uploads/1/3/0/3/130313404/vanejigozo_xoxapumik_xuwedafi.pdf
    • http://xn--kyourbeauty-fbb.com/uploads/1/3/0/4/130435746/vijujox.pdf
    • http://thehappygirlstore.com/uploads/1/3/0/7/130738994/130738994.html#swedenborg+pdf+ita

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001323.bin
d0e5f41e074375f331129194e16ec2e688fa0bdaa3ee92044e501788744858f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1323 12764 bytes
font_01_sfnt_off00007bba.bin
abae77f3489a91cdc98754ef39cdf83e656603c57338f9cfa3af06d67931fa92		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BBA 16744 bytes

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