Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e58516bd24ec6ca…

MALICIOUS

PDF

63.6 KB Authoring application: Soda PDF
MD5: 684a64f34d5b001819c83cd849b8eeaa SHA-1: 5ea49a7ed81483b8f55180ecc2568c699a6f0384 SHA-256: 7e58516bd24ec6ca681ce04a1d934cfd8e2a7b7a0ac57e09e7a2c0fc2b2182a1
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1204.001 Malicious Link: User Execution

The PDF contains a large number of external links, many of which are hosted on suspicious domains and appear to be part of a link farm. The 'SE_BROWSER_INSTALL_LURE' heuristic indicates the document's content is designed to trick users into installing a browser extension or update. This, combined with the numerous embedded URLs, suggests a phishing or malware distribution campaign. No scripts were extracted from this sample.

Heuristics 4

  • 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
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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://naturalpipes.com/uploads/1/3/0/4/130435805/deaa2.pdf
    • http://aitsena.com/uploads/1/3/0/7/130775971/pavob.pdf
    • http://wafatelu.ekkohouse.ru/uploads/2020/01/28/sewilepum.pdf
    • http://pleaseexcusetheshirt.com/uploads/1/3/0/4/130476120/mutagolideduxi-kevetevisi-wunev.pdf
    • http://mybellaboop.com/uploads/1/3/0/2/130271002/4b441125.pdf
    • http://realmisterketo.com/uploads/1/3/0/2/130273798/f4346ef45469.pdf
    • http://unitedislamiccenter.com/uploads/1/3/0/6/130620792/nofor-jorine-nixer.pdf
    • http://mimedesignstudio.com/uploads/1/3/0/6/130604879/ce2696118b.pdf
    • http://eastmillbrookmsband.weebly.com/uploads/1/3/0/6/130621587/mavivemof_nurolik_zirenoj_jasipoxedolipu.pdf
    • http://rebeccalaplacaattia.com/uploads/1/3/0/5/130588220/130588220.html#html+input+type+file+custom+label

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012fb.bin
37a982976f394800422e0ffb75b54e2faf52834ce74c72e54d9f19dbe1a39f30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12FB 9592 bytes
font_01_sfnt_off0000870b.bin
c4979fef8997b4cd648cab5bb541e1813d7516bb5ddf82b9fecfcad8211edc6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x870B 21440 bytes

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