Malicious PDF — malware analysis report

Static analysis result for SHA-256 8dabff049c0a4b2f…

MALICIOUS

PDF

36.3 KB Created: 2020-03-30 20:26:23 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 544e06a7d65b0e6ad2de84b2b9cb50ad SHA-1: f8603a0460c87462648de0d9a18ccf5e5bc69bab SHA-256: 8dabff049c0a4b2fc3d9927ec75a5aff365a462b628c340eaed373562b1ed132
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links to various domains, a technique often used for SEO manipulation or to distribute further malicious content. The primary heuristic identified a link farm structure, suggesting the document's purpose is to redirect users to a network of potentially malicious sites. No scripts were extracted from this sample, limiting the ability to determine specific payload delivery mechanisms.

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.
  • 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://knafabjoz.com/uploads/1/3/0/5/130589094/130589094.html#determinacion+de+azucares+totales+en+bebidas+alcoholicas
    • http://awesomecarrentals.net/uploads/1/3/0/2/130289241/zatij-lobepaw-tiselajafeba.pdf
    • http://tempolegal.com/uploads/1/3/0/4/130490019/2d2d239b7.pdf
    • http://thebernieproject.org/uploads/1/3/0/6/130604951/jezariwawarozuge.pdf
    • http://sococrimdefense.com/uploads/1/3/0/5/130541271/59546.pdf
    • http://austarliancollege.com/uploads/1/3/0/6/130604879/ac14d31c3889.pdf
    • http://jamesmcwhorterlawoffice.com/uploads/1/3/0/7/130738831/baruzanigokodopifa.pdf
    • http://starcreativeworks.com/uploads/1/3/0/7/130739927/5179819.pdf
    • http://ctabot.com/uploads/1/3/0/6/130603835/wawigopitisa.pdf
    • http://wherefuturebegin.com/uploads/1/3/1/0/131070073/3cb046475.pdf
    • http://art-corneliagerken.com/uploads/1/3/0/7/130775163/gepijuzisopedaxene.pdf
    • http://nnoutt.com/uploads/1/3/0/6/130603979/bidodamipewifolab.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006129.bin
03f6dafbfd6ac0eacd30e6c8461b7a71dfd8946e193bc70735d882e7de7d80ff		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6129 9008 bytes

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