Malicious PDF — malware analysis report

Static analysis result for SHA-256 50e4d2cea94f116d…

MALICIOUS

PDF

33.4 KB Created: 2020-04-05 03:47:27 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 7217ef4578384b1008f0c049ef725319 SHA-1: 713dcd043ef556c48d8786a14708a26072135519 SHA-256: 50e4d2cea94f116da88a214a371963b871e10112c9f8cd25fb5fd992f7b85653
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, many of which point to similarly structured URLs on different domains. This pattern is indicative of a link farm designed to host malicious content or facilitate phishing. The document body, though heavily obfuscated, contains a URL that appears to be the primary lure. 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://impact-active.com/uploads/1/3/0/9/130969097/130969097.html#power+spring+oral+liquid+wholesale
    • http://ldsgirlscamptees.com/uploads/1/3/0/2/130289211/8305530.pdf
    • http://elmcityme.com/uploads/1/3/0/4/130488483/5250196.pdf
    • http://kodokata.site/uploads/1/3/0/5/130590363/1964799.pdf
    • http://ajoycemusic.com/uploads/1/3/0/5/130590092/lafitesidew.pdf
    • http://aleetaspeanutbrittle.com/uploads/1/3/0/7/130776131/pikul.pdf
    • http://toca-boca.com/uploads/1/3/0/6/130604254/8739618.pdf
    • http://bohmwinterkorn.com/uploads/1/3/0/2/130272477/f13cefa59827ee.pdf
    • http://northshorefirefund.org/uploads/1/3/0/7/130740412/ad863bfd326aea.pdf
    • http://laurenyang.com/uploads/1/3/1/4/131453924/dofela.pdf
    • http://dealsrgreat.com/uploads/1/3/1/4/131437544/7599701.pdf
    • http://innocentsoul.org/uploads/1/3/0/4/130476180/1922692.pdf
    • http://muthacluckaz.com/uploads/1/3/0/6/130639896/wimogosizevajav.pdf
    • http://wptheme.club/uploads/1/3/0/3/130323972/60283a6826a5a8.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_off0000593e.bin
3aff5113794a412c45a7627c0a30a8a2b6089c874ac500d18d26e7761188061c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x593E 8084 bytes

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