Malicious PDF — malware analysis report

Static analysis result for SHA-256 ef69754e8a652702…

MALICIOUS

PDF

31.0 KB Created: 2020-03-12 12:33:05 +02:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 406e8f3d6a3e9644c5711c227b6d33fd SHA-1: 0c9d516b191bdd8441d655474610fbb8b3e1a006 SHA-256: ef69754e8a652702fe6cc8c228ccc7fce899003cf933820cf50635ff2aae07c2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, many of which are dynamically generated and point to unrelated content, indicating a link farm or SEO poisoning tactic. One of the embedded URLs, 'http://45t34.slpny.com/uploads/1/3/0/9/130969406/130969406.html#abercrombie+and+fitch+jacket+ebay', suggests a lure to a fake shopping result. No scripts were extracted, limiting the analysis of direct malicious actions.

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://45t34.slpny.com/uploads/1/3/0/9/130969406/130969406.html#abercrombie+and+fitch+jacket+ebay
    • http://restaurant-stadtbad.com/uploads/1/3/0/5/130551008/zotumirasujawa-datimofamokuvib-jebepele-weniz.pdf
    • http://mfindia.org/uploads/1/3/0/8/130815277/fad2d0.pdf
    • http://mta-sts.mailserver.teckelgarth.org/uploads/1/3/0/4/130435947/sitawomudiketenaj.pdf
    • http://iedima.com/uploads/1/3/0/7/130739904/pemedutuvet.pdf
    • http://organic-marijuana.net/uploads/1/3/0/3/130323249/5557552.pdf
    • http://meubnb.com/uploads/1/3/0/4/130476940/2451925.pdf
    • http://franklinlegacyfund.com/uploads/1/3/0/2/130288455/giwonodemowetinote.pdf
    • http://www.suzannemoran.com/uploads/1/3/0/2/130289628/9076717.pdf
    • http://mark11machinery.com/uploads/1/3/0/7/130775365/zawot_tusitifatali.pdf
    • http://completeremodellingsvs.com/uploads/1/3/0/2/130273576/3675282.pdf
    • http://www.joachim-m-schmidt.com/uploads/1/3/0/2/130289532/3174135.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_off000051cd.bin
fe538dffb73df9e332448d8c517a14ee91eaca3393b723c6507a800134a78038		 pdf-font-stream PDF embedded font (sfnt) at offset 0x51CD 7584 bytes

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