Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed4eda2fcf37db8a…

MALICIOUS

PDF

19.0 KB Created: 2020-03-21 20:03:04 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 3acca74d9bedcdaf8cc39b14bbd631f5 SHA-1: 3e30b0a787734cdf43b557acce439c618887aa90 SHA-256: ed4eda2fcf37db8a407239b106859263f3f286593a4c68f4de51e6c1dd01bbf7
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF file is identified as an image-only lure, typical of phishing campaigns. It contains numerous external links, with one prominent link pointing to an HTML file that likely serves as the next stage of the attack. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of generated SEO gateway links, suggesting an attempt to obscure the true malicious destination. 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.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 19 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://chicagostpatricksdayparade.net/uploads/1/3/0/8/130873848/130873848.html#traxxas+slash+2wd+parts+diagram+front
    • http://c-c-seaautospa.com/uploads/1/3/0/5/130551369/ramebik.pdf
    • http://narcabuserecoverysupport.com/uploads/1/3/0/8/130873915/rumopox_xevijimobu_sukiguwajeb.pdf
    • http://www.madeinthecotswolds.org/uploads/1/3/0/7/130740218/noxowofu-lalegaxuke-vixopibadu.pdf
    • http://www.ellenboroughewanrigg.co.uk/uploads/1/3/0/9/130969137/zozewidi.pdf
    • http://cmrsouthland.com/uploads/1/3/1/0/131070579/27a7c7612b3.pdf
    • http://cloudforcause.org/uploads/1/3/0/7/130776747/kavijizedarubesumi.pdf
    • http://rrrtag.com/uploads/1/3/0/2/130288818/mebilukirisimaw_soperafil.pdf

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