Malicious PDF — malware analysis report

Static analysis result for SHA-256 b187e9f7320510bb…

MALICIOUS

PDF

34.1 KB Authoring application: ImageMagick
MD5: 62e1443d38463e0daa7fe3f199b9b6c9 SHA-1: 6ebdc3f19b4137aca2e577cba92e1cfe005d7821 SHA-256: b187e9f7320510bbdb5d557ee75ec5ff49c868f429992c8e8d693b8c2c2643b2
128 Risk Score

Malware Insights

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

The PDF contains a link farm of 10 external PDF files, disguised as a free Word to PDF converter. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious download campaign. The embedded URLs are likely part of this lure, directing users to potentially malicious content.

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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://derpdaily.com/uploads/1/3/0/6/130639397/wejikuxafogipug.pdf
    • http://angelialayton.com/uploads/1/3/0/5/130551795/lojuverobadimabano.pdf
    • http://pt.bravesjiujitsu.com/uploads/1/3/0/6/130620728/dedove-mutakotaro.pdf
    • http://ranchotecate.net/uploads/1/3/0/5/130590139/f8489c40e.pdf
    • http://berberthemes.com/uploads/1/3/0/6/130639903/7707215.pdf
    • http://blackhillsbirthbootcamp.com/uploads/1/3/0/8/130874468/vevawiwitadupew.pdf
    • http://earth-origins-symposium.com/uploads/1/3/0/5/130545816/fizemutiso.pdf
    • http://aeprilsarcana.com/uploads/1/3/0/6/130604101/vusidalipo.pdf
    • http://www.realestateladiesrocks.com/uploads/1/3/0/5/130588968/zuvagalijabumu.pdf
    • http://bobodigitalmarketing.com/uploads/1/3/0/2/130272903/3669434.pdf
    • http://host115.carmichaelnl.com/uploads/1/3/0/8/130874326/130874326.html#convert+word+to+pdf+free+download+for+windows+7
    • http://blackhillsbirthbootca

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d33.bin
2c0781526d018ca102a94296ed5c763a8344031c7e74f9a64b4ead4a02cbc955		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D33 8536 bytes

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