Malicious PDF — malware analysis report

Static analysis result for SHA-256 32bb260e427f45ed…

MALICIOUS

PDF

37.2 KB Created: 2020-06-14 12:15:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f090928693c4632997ba8b0c8e7137d SHA-1: fa1d10428aec4b488fb19d0d6c7f27c6ad0ec69a SHA-256: 32bb260e427f45ed0f1c993db8a0d7262a326df5b4bab80b2684181128eae045
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, identified by the PDF_SEO_LINK_FARM heuristic. The document body contains text related to 'medicine ball exercises' and mentions the authoring application 'wkhtmltopdf', suggesting a lure to disguise the malicious intent. The primary attack pattern involves directing users to a vast network of linked websites, likely for SEO spam or to host further malicious content.

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://terindevoto.com/uploads/1/3/1/4/131407307/131407307.html#medicine+ball+exercises+youtube
    • http://caninetutor.co.uk/uploads/1/3/0/4/130483394/mabugirin.pdf
    • http://ns1.falloncommunity.com/uploads/1/3/0/4/130476732/3ebf35e02fa.pdf
    • http://cpanel.orringtoninstitute.org/uploads/1/3/0/6/130621187/3852d9.pdf
    • http://cpanel.macomdesign.be/uploads/1/3/1/4/131453593/1251653.pdf
    • http://c0492809xstreamtravel.xsideas.com/uploads/1/3/0/6/130620964/sofifat-bujamijin.pdf
    • http://caneriverinvestments.com/uploads/1/3/0/3/130379426/09faaee2b2d8f2.pdf
    • http://upbeetnaturalmarket.com/uploads/1/3/0/5/130542831/niwonenexiwife-giwon.pdf
    • http://mta-sts.budbuddie.shop/uploads/1/3/0/9/130969011/witanoseb.pdf
    • http://karvadigital.com/uploads/1/3/0/2/130270847/3598056.pdf
    • https://xidiseso.files.wordpress.com/2020/06/71151637047.pdf
    • https://tokejar.files.wordpress.com/2020/06/weriregadoxowasaroxaf.pdf
    • https://gilogekef.files.wordpress.com/2020/06/27357703407.pdf
    • https://majokefimev.files.wordpress.com/2020/06/36421405665.pdf
    • https://daritawaba.files.wordpress.com/2020/06/savedepulavomi.pdf
    • https://liwibemog.files.wordpress.com/2020/06/58476724849.pdf
    • https://rudukaleditu308957543.files.wordpress.com/2020/06/rozuravidusolo.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_off00006695.bin
beb89210f4d8a383385a2637790b663860fbb4d830b83dc37d0651880f6d27e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6695 9644 bytes

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