Malicious PDF — malware analysis report

Static analysis result for SHA-256 84b6bcd42b2e5d4d…

MALICIOUS

PDF

44.4 KB Created: 2020-03-08 08:50:09 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 89fd0db9970ea85539eaf22923679fca SHA-1: c423eae2b102b3952a841c9e84c2f0c9171e3a25 SHA-256: 84b6bcd42b2e5d4df977f8be2e4f65b2cf5f8d4ed0b9a5ed9fdd652a4b709872
62 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links to external websites, masquerading as information related to Ebola prevention and treatment. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with the dominant host being 'strathardhomeimprovements.com'. The primary embedded URL directs to 'http://74-123-72-117.mgwnet.com/uploads/1/3/0/4/130476760/130476760.html#ebola+prevention+and+treatment', suggesting a lure to a potentially malicious page.

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://74-123-72-117.mgwnet.com/uploads/1/3/0/4/130476760/130476760.html#ebola+prevention+and+treatment
    • http://strathardhomeimprovements.com/uploads/1/3/0/2/130287989/353585.pdf
    • http://www.napadreamin.net/uploads/1/3/0/7/130739311/8059490.pdf
    • http://webmail.shadesofgreenpermaculture.com/uploads/1/3/0/5/130589318/812b02aab7c5eb.pdf
    • http://walkbikelearn.com/uploads/1/3/0/6/130604177/xinuku.pdf
    • http://runsheetapp.com/uploads/1/3/0/6/130620819/7836818.pdf
    • http://wattleandoak.com.au/uploads/1/3/0/7/130738542/moripugefo.pdf
    • http://www.berkshireheros.org/uploads/1/3/0/7/130739756/5ec664f50d.pdf
    • http://ucbhub.com/uploads/1/3/0/2/130270987/7aba63f200387a2.pdf
    • http://monsieurbidule.com/uploads/1/3/0/4/130477455/lasaf.pdf
    • http://www.rachelconerly.com/uploads/1/3/0/8/130874139/2a7f0.pdf
    • http://www.thewendyhouseholidaylet.com/uploads/1/3/0/3/130379291/luwijufume-fimoj-bizaxobex-nizig.pdf
    • http://anahadsharma.com/uploads/1/3/0/5/130544191/8645139.pdf
    • http://acouturelife.com/uploads/1/3/0/6/130621006/rokode.pdf
    • http://ashleyricketson.com/uploads/1/3/0/9/130969529/7762498.pdf
    • http://staclaritasc.com/uploads/1/3/0/3/130313638/7216608.pdf
    • http://therebuildcovenant.org/uploads/1/3/0/6/130620893/pobejif.pdf
    • http://ftp.tv/uploads/1/3/0/7/130775021/b2f93f32fb4c8bc.pdf
    • http://avediflooring.com/uploads/1/3/0/6/130604182/fenunokigisogunulo.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_off00008372.bin
2ca5bbcb78d03cace3be5dd00048f6f28da17a6765f1aca86556ea04300a2f95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8372 8576 bytes

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