Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d6792289e42835d…

MALICIOUS

PDF

38.7 KB Created: 2020-04-07 03:29:40 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7b1d63de4a03453d900f9e22bffa6135 SHA-1: 9a9278d6bb606e6fd2b46b83865ff3b7bfdaa0f7 SHA-256: 3d6792289e42835de94f98cfba3bf8c09384c70350e5ff0ac218912747b98595
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The primary URL found is http://wardrobecampaign.com/uploads/1/3/0/6/130639936/130639936.html#is+kid+n+play+married, and numerous other PDF links are present. This suggests a tactic to manipulate search engine results or to distribute malicious content through a link farm. 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://wardrobecampaign.com/uploads/1/3/0/6/130639936/130639936.html#is+kid+n+play+married
    • http://taiwan-wedding.com/uploads/1/3/0/5/130588248/biravojuru.pdf
    • http://reptilesonthemove.com/uploads/1/3/1/0/131069886/faginatakosepodabu.pdf
    • http://lvserenitycarellc.com/uploads/1/3/0/4/130477979/d55d67e048ca1.pdf
    • http://i-pinata.com/uploads/1/3/0/8/130813400/gidedipoj.pdf
    • http://xn--90abfdsi2acieddb6b.xn--p1ai/uploads/1/3/0/5/130589231/gusodofo_nofijunubolir_xilologita.pdf
    • http://gimolboutique.net/uploads/1/3/1/4/131406663/ramobolomu-jigewigujavis.pdf
    • http://poetrypush.com/uploads/1/3/0/5/130588584/kikimolixufewiwul.pdf
    • http://jandhbuildingdreams.com/uploads/1/3/1/3/131380915/9483185.pdf
    • http://fuelbrandstrategies.com/uploads/1/3/0/3/130379332/7154022.pdf
    • http://lymphaticcare.net/uploads/1/3/0/7/130776503/xetejelupufiviwakulo.pdf
    • http://melbatheater.org/uploads/1/3/0/5/130539235/soririmuxit.pdf
    • http://mta-sts.dajfinewoodworking.com/uploads/1/3/0/6/130640183/revokimomufoj.pdf
    • http://mrpeplin.info/uploads/1/3/0/2/130289803/nudit-wagezog-bupin.pdf
    • http://amvassallo.com/uploads/1/3/1/1/131164077/fasumudojisuvat.pdf
    • http://pilanoentertainment.com/uploads/1/3/0/6/130620897/4431955.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_off00006e3f.bin
19d208692d4a689ef7a1cd268e6a8cc1522604e2092a6457244c16f753e15527		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E3F 8052 bytes

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