Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b07fe6e0d306e52…

MALICIOUS

PDF

37.1 KB Created: 2020-04-11 07:24:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7d9dc9c0df773c2b48dfcc20debd977e SHA-1: 302fcdbaba4e4399fd0bd12e55f2be9f2177fe19 SHA-256: 7b07fe6e0d306e52ffc93753103a26f59997f865c6ab55d6870eb4dfdddfbc5c
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO spam or to redirect users to malicious sites. The document body mentions 'Clash of Clans base building guide', which is likely a lure to attract users. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with 'shockwavesupport.net' being a dominant host. No scripts were extracted from this sample.

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://somersetfoodtrail.org/uploads/1/3/0/3/130313459/130313459.html#clash+of+clans+base+building+guide
    • http://shockwavesupport.net/uploads/1/3/0/6/130604112/polenuluzagonabopaw.pdf
    • http://sjsldetroit.org/uploads/1/3/0/7/130775751/2a9a4eb9.pdf
    • http://colecansler.com/uploads/1/3/1/4/131453649/zowaf-zikeredabatabi-nukuke.pdf
    • http://blacktierides.com/uploads/1/3/1/3/131398067/6385607.pdf
    • http://writing4content.com/uploads/1/3/0/4/130476086/natir-bilifizenajil-nemipeb-susatoxabom.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_off00006a56.bin
ab1d3d056ffb4273dda34954ebe7a5f8858e41ee7c071489efc79fc575e67323		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A56 7796 bytes

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