Malicious PDF — malware analysis report

Static analysis result for SHA-256 4268b3009b5c1482…

MALICIOUS

PDF

38.0 KB Created: 2020-04-22 06:15:29 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 74fb630d20708115a5d6b7dbec8cef3a SHA-1: 9e34962f77a6c1755ee4e7a0a4d6e23f5cc2a0ad SHA-256: 4268b3009b5c1482ac78e69ef3d478f68b65e4281b3e98a8585640719c4afe8a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1598 Gather Victim Identity Information T1204 User Execution

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links point to various domains, suggesting a link farm or a method to distribute traffic to potentially malicious sites. The document body itself contains garbled text and metadata, but the primary malicious activity appears to be the mass redirection to external URLs.

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://carolina-paez.com/uploads/1/3/0/2/130287942/130287942.html#osso+cuneiforme+piede
    • http://th3racing.com/uploads/1/3/1/1/131163738/juvov-fuvovagos-vebito.pdf
    • http://megatexservices.com/uploads/1/3/1/3/131381840/betubiwuveg.pdf
    • http://oneflamingo.com/uploads/1/3/0/5/130551271/dedasul-ropuvofesakene-nirumeniditoxer-lezix.pdf
    • http://goingreenersoaps.net/uploads/1/3/1/6/131606638/pesodevewirasaxelaf.pdf
    • http://samsmaterialcompany.com/uploads/1/3/0/5/130551720/tibifexovokubed-xumuwes-zojita.pdf
    • http://alcee.org/uploads/1/3/1/6/131606938/kulutivixe-mesef-gujukawup.pdf
    • http://thesouthchurch.org/uploads/1/3/0/6/130605078/lokajokudapasetuj.pdf
    • http://gongxiangjiaotong.com/uploads/1/3/0/7/130739963/xotigonebud.pdf
    • http://congotrackingandsecurity.com/uploads/1/3/0/5/130539759/8878613.pdf
    • http://thetowndoula.com/uploads/1/3/0/6/130640042/6dc9c24.pdf
    • http://samiejm.com/uploads/1/3/0/9/130968967/fivamixidul.pdf
    • http://brutalawakenings.com/uploads/1/3/0/5/130588821/kodesoxem-fodudubona-fovojirigivomoj.pdf
    • http://littleacresindiana.com/uploads/1/3/0/7/130739240/7324661.pdf
    • http://dtekautomotive.com/uploads/1/3/0/5/130550857/f391f8f1b16.pdf
    • http://wwssf.org/uploads/1/3/0/4/130488498/eccc11f11.pdf
    • http://littleacresindiana.com/
    • 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_off00006c18.bin
dc276a343055d28be8e9ec7befa3fe0819ef8f312b15ffcbcf1f434eb1b088b7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C18 8336 bytes

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