Malicious PDF — malware analysis report

Static analysis result for SHA-256 80e73d9eee9d7f22…

MALICIOUS

PDF

37.7 KB Authoring application: SWFTools
MD5: 54ec9198444dd60d310a4c23aa18a1e3 SHA-1: f2b135df71a406ac566650edcb5cefadd4a047c7 SHA-256: 80e73d9eee9d7f220dc13183c27259de1474918e75188c934dd41d8251c7ef00
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs pointing to other PDF files, a technique often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://shogiforum.net/uploads/1/3/0/5/130589245/2735899.pdf
    • http://imyd.com/uploads/1/3/0/5/130588290/wuvel.pdf
    • http://britemoonmarketing.com/uploads/1/3/0/2/130272505/2297043.pdf
    • http://childproofingcolorado.com/uploads/1/3/0/2/130270938/gezad.pdf
    • http://dafarutoz.indasoft.online/uploads/2020/01/28/7095573.pdf
    • http://women-network.org/uploads/1/3/0/4/130488846/2977141.pdf
    • http://mrlapta.com/uploads/1/3/0/7/130776066/6094349.pdf
    • http://spanglishprints.com/uploads/1/3/0/7/130740142/2742735.pdf
    • http://hamptonsbailbonds.com/uploads/1/3/0/6/130640052/bowowivolutoj-romasezedo-zubadilovilin.pdf
    • http://nobuhotelriyadh-fullsite.devsite-1.com/uploads/1/3/0/5/130551257/130551257.html#animal+and+plant+cells+worksheet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000119e.bin
e400c45cbe666869dc1065b98736335661def4ab5b09a332477f2e7ab99d95f2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x119E 7816 bytes

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