Malicious PDF — malware analysis report

Static analysis result for SHA-256 a47e3c74daf9e916…

MALICIOUS

PDF

36.5 KB Created: 2020-04-10 14:38:50 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 4e656e8d2897425de51c73aef5ff9c01 SHA-1: 52cdf7dc98410fda2bd580621e7f9e7fa9cd06a8 SHA-256: a47e3c74daf9e9168e213c7e752e1e4982eeeb82e308ff3aa55a83f67a9c97a0
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded external links, a common technique for SEO poisoning or phishing campaigns. The document body, though partially obfuscated, contains a title related to terrorism and references the wkhtmltopdf tool, suggesting it was generated programmatically to host these links. The primary intent appears to be directing users to a network of potentially malicious websites.

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://thompsonandcompanymaine.com/uploads/1/3/0/5/130588560/130588560.html#historia+del+terrorismo+pdf
    • http://reachingruths.org/uploads/1/3/0/6/130605332/rumezufumiwule_mogugaxelabus.pdf
    • http://urbanpho.com/uploads/1/3/0/8/130873996/denujadedelaraj_fematelanis.pdf
    • http://amysyverson.com/uploads/1/3/0/5/130550898/17002a5.pdf
    • http://oakland-sharp.com/uploads/1/3/1/3/131379596/6185146.pdf
    • http://orlandoclearinspections.com/uploads/1/3/0/2/130289340/ravivojelamexi.pdf
    • http://2410323.xyz/uploads/1/3/0/5/130589002/tibusu.pdf
    • http://dublinratrace.com/uploads/1/3/0/7/130739663/8501744.pdf
    • http://stemstewart.com/uploads/1/3/1/3/131384470/poforajese.pdf
    • http://totahr.com/uploads/1/3/1/4/131408229/f92261f1cd.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_off000063f4.bin
644c14f09a6fbce3b386ee552ead9f9687b91278b0d88288a860a7107a488442		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63F4 8736 bytes

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