Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c892e736c803778…

MALICIOUS

PDF

37.9 KB Created: 2020-05-23 01:51:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 678410e5f58e247bcc392a2becafb27c SHA-1: e6804c9ec74771f8a8e717053b5ca577d82337f0 SHA-256: 2c892e736c80377870eda97b7c7dd67510d94d7cbed58d772e5d90d1ca73c83e
62 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF document contains a large number of external links, many of which point to other PDF files hosted on various domains. This behavior is indicative of a link farm or a mechanism to redirect users to potentially malicious content. The document body itself contains garbled text and URLs, further supporting the malicious intent. No scripts were extracted, limiting the analysis of direct execution capabilities.

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://duboyouxixiazai.br3h.com/uploads/1/3/0/5/130589083/130589083.html#ba%25C4%259F%25C4%25B1ml%25C4%25B1l%25C4%25B1kla+m%25C3%25BCcadele+ayl%25C4%25B1k+rapor
    • http://2afreshstart.com/uploads/1/3/1/6/131637104/kokurexezepojasu.pdf
    • http://potnuts.me/uploads/1/3/0/8/130814329/f7e9759eb.pdf
    • http://fenghuangyulechengbaijiale.br3h.com/uploads/1/3/1/4/131437477/0820b27.pdf
    • http://glprod.com/uploads/1/3/1/3/131379815/8297632.pdf
    • http://thibaultduret.fr/uploads/1/3/0/5/130546000/seloviga.pdf
    • http://inilltaste.com/uploads/1/3/0/5/130543168/627c0975.pdf
    • http://hostmaster.tasscare.com/uploads/1/3/0/5/130545333/luzizojusinis.pdf
    • http://engagingtheun.com/uploads/1/3/0/6/130621665/tabesapefegapufoveza.pdf
    • http://lmaelegantevents.com/uploads/1/3/0/3/130323406/podudujigabuwata.pdf
    • http://blinglife5.com/uploads/1/3/0/6/130621940/dd5e864.pdf
    • http://dayvdoberne.com/uploads/1/3/0/6/130604579/gafafodono-gawezalalujuso.pdf
    • http://northstarcamaroclubofmn.com/uploads/1/3/1/4/131406879/gojowuzuponowizatun.pdf
    • http://alethiacarestruly.com/uploads/1/3/1/4/131483281/xalomasofalotewal.pdf
    • http://blchome.com/uploads/1/3/1/3/131381103/daperirebujik.pdf
    • http://stegygroupinc.com/uploads/1/3/0/4/130488969/3374054.pdf
    • http://webmail.earlsnursery.com/uploads/1/3/1/8/131856266/9008970.pdf
    • http://eduardoforsouthdade.com/uploads/1/3/0/4/130476684/vitejerulixitakakil.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_off000065c3.bin
e95c1c076fd7824b3ef04c24036064d1ece99b27c05d378e18cd1c33f5cee3c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65C3 11440 bytes

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