Malicious PDF — malware analysis report

Static analysis result for SHA-256 57aa087e404dd4ad…

MALICIOUS

PDF

51.2 KB Created: 2020-04-06 03:03:21 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 6b6c45e74b6887be2f8fc63efa6f6875 SHA-1: 715bfe4692d9619c148781f18d962735e209508a SHA-256: 57aa087e404dd4ad45c5bf26b6b06a6f1fd37442e4a5fc05dbcad2a57a11c34d
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, as indicated by the PDF_SEO_LINK_FARM heuristic. The document body also contains a prominent link to 'chrisrobertsschoolofmusic.com'. These links likely serve as a lure to direct the user to malicious websites for further compromise. 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://chrisrobertsschoolofmusic.com/uploads/1/3/0/6/130620263/130620263.html#the+burn+journals+book+summary
    • http://label.land/uploads/1/3/0/4/130483645/dotufulokeneg.pdf
    • http://protocolpresents.com/uploads/1/3/1/3/131383464/memuxoxuwonu_risebozin_vuluvuf.pdf
    • http://imagebackgroundremoval.com/uploads/1/3/1/0/131070652/nuxaduzunixa-baxakib-zotomiji-gasetanubofifek.pdf
    • http://lilsmornington.com/uploads/1/3/0/4/130490561/zixovubujuti.pdf
    • http://mail.welearnwomen.org/uploads/1/3/0/5/130539933/xudaregoxofov.pdf
    • http://moemoneybeats.com/uploads/1/3/0/6/130639069/a39cb870.pdf
    • http://touch-for-life-massage.com/uploads/1/3/0/6/130604408/a417201b.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_off0000a358.bin
7aca5113720f14cc190d98504f7ad9dec5434384b36bb6d18ff00d653f16213a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA358 7380 bytes

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