Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc962679417da853…

MALICIOUS

PDF

31.0 KB Created: 2020-04-06 14:00:15 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 744b810b47648a6f580219251658016d SHA-1: 463d2ac14ab833c5266ed23ad6254006f30ac5cd SHA-256: fc962679417da853a0d445269a9c948b1349345322c0907964f3da5317856d57
62 Risk Score

Malware Insights

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

The PDF file contains a significant number of external links, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though partially corrupted, indicates a lure related to 'flowcharts' and includes a primary URL. The heuristic 'PDF_SEO_LINK_FARM' confirms the presence of a mass external link farm, with 'gasongasoff.com' being a dominant host. This suggests the document's primary purpose is to drive traffic to these external resources, likely for further exploitation or phishing.

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://mujeresdeislas.org/uploads/1/3/0/3/130379146/130379146.html#que+son+los+diagramas+de+flujo+y+sus+caracteristicas
    • http://gasongasoff.com/uploads/1/3/0/6/130605299/raxetafivoxi.pdf
    • http://ebenezer-baptistchurch.com/uploads/1/3/0/4/130436242/motabus.pdf
    • http://abbiesapartmentkitchen.com/uploads/1/3/0/5/130589058/8696807.pdf
    • http://coburgfire.org/uploads/1/3/1/3/131380707/2942529.pdf
    • http://whirlpoolrepaircenter.net/uploads/1/3/0/7/130776836/4a519a6b0f19.pdf
    • http://multisportsminnesota.com/uploads/1/3/0/7/130738719/xolezawufilixut-gilado-mofego.pdf
    • http://retail360la.org/uploads/1/3/0/4/130435592/2171ed5bd8decbe.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_off00004faa.bin
ff95c23984dddc29b2fc1b4ea5a8b46465dd33689fd8f36b11113249e9bc0443		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FAA 8112 bytes

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