Malicious PDF — malware analysis report

Static analysis result for SHA-256 c3854f2b6bc0dae7…

MALICIOUS

PDF

42.0 KB Authoring application: ImageMagick
MD5: 60377aed7f8c445b98eb6009c2073810 SHA-1: b1f42116d35496928a6622863ef0e18fe35a1a3d SHA-256: c3854f2b6bc0dae70da8da5f9b18888f27efc9c769ca8e8dde7613676b306f69
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents hosted on various domains. This behavior is indicative of a link farm designed to distribute malicious content or conduct phishing attacks. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent.

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://dondealmuerzo.com/uploads/1/3/0/5/130538838/5563200.pdf
    • http://examenesdeadmision.com/uploads/2020/01/28/15d15fbb34.pdf
    • http://persucarhipa.net/uploads/1/3/0/6/130621300/ef25378883bbb.pdf
    • http://clearorm.com/uploads/1/3/0/7/130739192/wigugapazifenunir.pdf
    • http://ccamsolutions.com/uploads/1/3/0/3/130379627/845832.pdf
    • http://dorothyradio.com/uploads/1/3/0/4/130488544/guwotoxu-jepif-butonowilunop.pdf
    • http://tcnj-barkada.weebly.com/uploads/1/3/0/5/130551229/xugatenutaxo.pdf
    • http://kwpetcarecypress.com/uploads/1/3/0/6/130604151/newewujis-sefil-xuvinagebudit.pdf
    • http://paxaxinoj.sampstealer.xyz/uploads/2020/01/28/a2d9e826fcb7.pdf
    • http://michaudwellness.com/uploads/1/3/0/7/130738735/130738735.html#business+continuity+plan+small+business+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001232.bin
92256a3f9111800febd301a903c76af1109869cc6e1b04e81df00ac1d878e037		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1232 7796 bytes

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