Malicious PDF — malware analysis report

Static analysis result for SHA-256 271f11b6b40b2607…

MALICIOUS

PDF

59.2 KB Created: 2020-04-01 21:58:02 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 55566f7abe26561aebfd85ca42085ced SHA-1: ed8b8d664cf94f7aab918389dead6d0c13feb29a SHA-256: 271f11b6b40b26070de2873304885c96e7ae9a6d4c3975623294094c74a0775b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, indicating a link farm or SEO manipulation tactic. The primary heuristic identified a mass external PDF link farm hosted on 'privetst.com', suggesting the document's purpose is to redirect users to a network of potentially malicious sites. No scripts were extracted, limiting the analysis of direct payload delivery. The embedded URLs are the most actionable indicators.

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://iavnt.com/uploads/1/3/0/6/130621643/130621643.html#m%E1%BA%B9+k%E1%BA%BF+%C4%91o%E1%BA%A1n+k%E1%BA%BFt+jan+dara+the+finale+%282013%29
    • http://privetst.com/uploads/1/3/0/8/130874623/sipoxadanib_babamugulemox_tixofapejokofa.pdf
    • http://district1strong.com/uploads/1/3/0/3/130379289/zemagitam.pdf
    • http://rbnlbrs.com/uploads/1/3/0/3/130313468/kegidopelinal_kelazumur_mukup.pdf
    • http://kjscommunicatie.nl/uploads/1/3/0/6/130620325/febedesoduruf.pdf
    • http://www.emotion-coaching.com/uploads/1/3/0/7/130738638/libod_dotekipijivumi.pdf
    • http://josephdefeo.net/uploads/1/3/0/4/130483348/4fa346056b5e.pdf
    • http://elisaforlini.com/uploads/1/3/0/6/130621393/1901523.pdf
    • http://euniceejoy.com/uploads/1/3/0/9/130969967/561747.pdf
    • http://elguevil.com/uploads/1/3/1/1/131164097/17476.pdf
    • http://project-solutions.org/uploads/1/3/0/5/130588850/kemevonusabufuk-xodorewega.pdf
    • http://hopeshouseresale.com/uploads/1/3/0/5/130590538/fowoko.pdf
    • http://nextanityradio.com/uploads/1/3/0/6/130621709/b5fdac3f.pdf
    • http://atwoodarmory.com/uploads/1/3/0/3/130313145/fozevisusamav-tuzenubudojaver.pdf
    • http://flairmalta.com/uploads/1/3/0/5/130589078/a6dcf8f17996d.pdf
    • http://caregiverwellnesscenter.com/uploads/1/3/0/9/130969353/83c8e4a1377dd.pdf
    • http://worrallattorney.net/uploads/1/3/0/7/130738706/1e97f5.pdf
    • http://wordsofasmalltowngirl.com/uploads/1/3/1/1/131163980/2255692.pdf
    • http://redneckfest.org/uploads/1/3/0/6/130604168/4034883.pdf
    • http://lisathomas-designs.com/uploads/1/3/0/7/130775497/diwizujinit_xezopetuxotup.pdf
    • http://english4apachs.com/uploads/1/3/0/6/130621507/0d057.pdf
    • http://shadefoot.com/uploads/1/3/0/7/130739983/fumuwizap-zozupu.pdf
    • http://celestialfx.com/uploads/1/3/0/7/130775466/793241.pdf
    • http://whitehouseohiolibrary.org/uploads/1/3/0/3/130313541/2d3b7868448fa4.pdf
    • http://restoredknights.com/uploads/1/3/0/2/130288317/bdfdb33236e012d.pdf
    • http://restoredknights.com/uploads/1/3/0/2/130288317/bdfdb33236e012d.pd
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000099f8.bin
3e86d23d7331d138b67ad476d5e551e5ed7b1ccb88171b94cb9a0e8851e1144a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99F8 10724 bytes
font_01_sfnt_off0000bc1b.bin
9df437e454dc6aa3ba924a0bfd3a7c60a6d2ef61c477d7b9a3c1486953861c26		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBC1B 23408 bytes

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