Malicious PDF — malware analysis report

Static analysis result for SHA-256 9231287c1e6358b9…

MALICIOUS

PDF

38.9 KB Created: 2020-03-26 12:32:32 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 41117979ecb15b6db4564bf128250504 SHA-1: ae5f2b2266605a1806dc614d769031e8d25269e2 SHA-256: 9231287c1e6358b99d65a849d23794548fb22f98fca838471d309e58fe4d3ca4
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are numerically or generically named, indicative of a link farm or SEO spam tactic. The document body itself contains what appears to be metadata and a URL, further supporting the idea that the primary function is to redirect users to external sites. The heuristic 'PDF_SEO_LINK_FARM' strongly suggests this malicious intent.

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://bloodblisterapparel.com/uploads/1/3/0/5/130546244/130546244.html#the+leadership+experience+7th+edition+apa+citation
    • http://www.sugarplumsweets.com.au/uploads/1/3/0/6/130621481/zukojovido.pdf
    • http://autidiscover.clear-heater.co.uk/uploads/1/3/0/4/130476207/190d96add048.pdf
    • http://homeboximmobilier.com/uploads/1/3/0/7/130775710/sorusov_falenawofoge.pdf
    • http://personaltrainersurabaya.com/uploads/1/3/0/9/130969747/fc5564352.pdf
    • http://www.leacockwhiteyellowlabs.com/uploads/1/3/0/8/130874115/c00e057c324.pdf
    • http://maremanor.com/uploads/1/3/0/6/130604283/kovosutes.pdf
    • http://dream-maker-institute.com/uploads/1/3/0/6/130640044/6413764.pdf
    • http://miwoori.net/uploads/1/3/0/8/130813466/9063011.pdf
    • http://cynthiahyett.com/uploads/1/3/0/2/130274154/vifupa_mazoxumevigaper_zibemonitaso.pdf
    • http://edaumarchitect.com/uploads/1/3/0/7/130740124/lowiv.pdf
    • http://neakastore.net/uploads/1/3/0/7/130775655/jibotajotav-fobewodake-timugixufo.pdf
    • http://givehopeinc.com/uploads/1/3/0/4/130489386/1979711.pdf
    • http://www.xrayshades.org/uploads/1/3/0/6/130603860/7139729.pdf
    • http://blindingwindows.co.uk/uploads/1/3/0/5/130546343/60f676d8e84e7.pdf
    • http://www.healthiestandbestself.com/uploads/1/3/0/9/130970009/d05f2e2ff9044a.pdf
    • http://careersemploymentdirect.com/uploads/1/3/0/8/130873710/14630.pdf
    • http://mail.deligleba.com/uploads/1/3/0/6/130604690/1032595.pdf
    • http://www.funnelstrong.com/uploads/1/3/0/5/130541133/4123920.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_off00006d58.bin
c862def56228fee514078a4f8709c3c4d55f1b94d8e323d92c26cdf1a1f70889		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D58 8440 bytes

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