Malicious PDF — malware analysis report

Static analysis result for SHA-256 5870e7076f100a97…

MALICIOUS

PDF

37.3 KB Created: 2020-03-29 22:08:06 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 43bac1ba6a8a9d925a880651b402e5a5 SHA-1: 364054ab2b337004074d90b6b50b2a5cacf1bc97 SHA-256: 5870e7076f100a977784abf3b0c5ef1ecf7ddab44861326c7ad0e9fb79841865
62 Risk Score

Malware Insights

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

The PDF document contains a significant number of external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or SEO manipulation tactic. The document body is heavily obfuscated, but the presence of URLs indicates an attempt to redirect the user to potentially malicious content. 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://princess-crown.lucky1st.com/uploads/1/3/0/5/130589179/130589179.html#harrisburg+parks+and+rec+nc
    • http://financialcoachingshop.com/uploads/1/3/0/6/130620839/pajefi-vugonupone.pdf
    • http://cartcootiecovers.com/uploads/1/3/0/9/130969429/5432501.pdf
    • http://nashbw.info/uploads/1/3/0/7/130738562/zonojowiwideb-dosido.pdf
    • http://bertienkok.nl/uploads/1/3/0/6/130620572/2445762.pdf
    • http://passalive.com/uploads/1/3/0/4/130475881/zisalobaxogavofe.pdf
    • http://houserepair.club/uploads/1/3/0/6/130620453/a4ea36073.pdf
    • http://glassworx.info/uploads/1/3/0/5/130539287/c2cc5.pdf
    • http://onlyhave.com/uploads/1/3/0/2/130291713/532824.pdf
    • http://stoney.vip/uploads/1/3/0/6/130603995/9882138.pdf
    • http://oldmillbakerygvl.com/uploads/1/3/0/6/130604022/5163295.pdf
    • http://globalskillet.com/uploads/1/3/0/2/130288488/9150550.pdf
    • http://swwabsolar.com/uploads/1/3/0/7/130776027/jujomasekivekuvegi.pdf
    • http://thepiecesofautism.com/uploads/1/3/0/2/130272516/nakapebix.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_off00006904.bin
3994a27ffbaeb615901a3e9dd1cbec80a957c0b4611ed64c16a4c3667bcce2e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6904 8140 bytes

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