Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6d0f0f7f4dc921c…

MALICIOUS

PDF

41.6 KB Authoring application: PDF Studio
MD5: 6afd111b45dcbb8d1e09297b064d5a13 SHA-1: 9c22df6a152212f70b7d0e92f62bb010b59f0834 SHA-256: e6d0f0f7f4dc921c2b1cfcb3de426dd619667ffe8d96e3dae5693f8165b76913
120 Risk Score

Malware Insights

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

The PDF contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic, pointing to other PDF files. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious intent. The embedded URLs suggest a campaign focused on distributing further malicious content or phishing pages.

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://dataprotectionadvice.com/uploads/1/3/0/5/130590310/3373437.pdf
    • http://danwalkerwoodworks.com/uploads/1/3/0/5/130540525/31f450e5c72246.pdf
    • http://pogegraphicdesign.com/uploads/1/3/0/5/130548152/dezajukatanis.pdf
    • http://sribhattar.weebly.com/uploads/1/3/0/6/130603764/gusux.pdf
    • http://negovanar.paypal-support-limitted.com/uploads/2020/01/28/guleferuwezur_dadoketepurem.pdf
    • http://mochex.com/uploads/1/3/0/6/130621649/2616372.pdf
    • http://ddeusa.com/uploads/1/3/0/4/130476616/a1dfea.pdf
    • http://mychinesewatch.com/uploads/1/3/0/6/130620198/130620198.html#dagi+bee+nippelblitzer

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000119b.bin
c90033991801849ae33392dcbb6f9ee8890d58cd68ae0eb266cad76880a8a90c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119B 9828 bytes
font_01_sfnt_off000059f5.bin
83d4996baeed0505243fe48e2f4e903f6c1ab35fe43fbb4b0ae34ab6ecee9bec		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59F5 16852 bytes

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