Malicious PDF — malware analysis report

Static analysis result for SHA-256 502ce87e2e8f5809…

MALICIOUS

PDF

41.4 KB Created: 2020-03-23 15:44:31 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 5f7885c847d7066c3b5eeafa89b78565 SHA-1: 7c50a774b98b7dc6c13dc44c8754697952eb7237 SHA-256: 502ce87e2e8f5809be4f39e4111b39d3f56b063bb939bd7f932a4d651e23b322
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, many of which are numerically or generically named, suggesting a link farm or SEO spam tactic. The document body references 'Destiny 2 whisper of the worm oracle', likely a lure to attract users interested in the game. The primary heuristic indicates a mass of external PDF links, with one specific URL pointing to a similarly structured PDF. 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://nofone.net/uploads/1/3/0/4/130490218/130490218.html#destiny+2+whisper+of+the+worm+oracle
    • http://sitkatreeservices.com/uploads/1/3/0/5/130543121/nelomirimasuw.pdf
    • http://linevip.sunnystudy.vip/uploads/1/3/0/6/130621153/7350195.pdf
    • http://www.freshflamecandles.com/uploads/1/3/0/7/130739237/1b36a5fa285.pdf
    • http://mx.twisumi.com/uploads/1/3/0/2/130271244/fepoxabesobokosu.pdf
    • http://www.key2codelocksmiths.co.uk/uploads/1/3/0/6/130621588/04684d70.pdf
    • http://yvesrochmalletteoeuvrenoire.com/uploads/1/3/0/7/130738822/5e6790817b2893f.pdf
    • http://mvleoclub.com/uploads/1/3/0/5/130540178/wegezap-purutesawalu-tisik.pdf
    • http://famousmoose.com/uploads/1/3/0/7/130775990/tizilufoleb.pdf
    • http://myhypecheck.com/uploads/1/3/0/5/130588230/1304054.pdf
    • http://givemecoco.com/uploads/1/3/0/5/130551890/9666890.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_off000077db.bin
c5a29a550ea2cc010a908b8d114397587965963773a52767b3148a406ec8addf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77DB 8540 bytes

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