Malicious PDF — malware analysis report

Static analysis result for SHA-256 3b88bb69dda8baf3…

MALICIOUS

PDF

111.9 KB Created: 2020-06-07 12:06:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77603dd4349ef027fd4d778a9514e762 SHA-1: eaa50fecbcc2091cc44881950c4e11969988ba42 SHA-256: 3b88bb69dda8baf3c47e7c7ad5535fa406e8bba34eaff8c3b50f307ff2a14c0b
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic. One of these links, http://theholstoncottage.com/uploads/1/3/1/4/131483005/131483005.html#le+livre+d%2527+enoch+version+ethiopienn, is directly embedded in the document body. The presence of a link farm suggests an attempt to distribute malicious content or redirect users to phishing sites. 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://theholstoncottage.com/uploads/1/3/1/4/131483005/131483005.html#le+livre+d%2527+enoch+version+ethiopienn
    • http://largescaleinvolutions.com/uploads/1/3/0/7/130775982/33857a28b78d.pdf
    • http://hautewaif.com/uploads/1/3/1/1/131163953/119a6217.pdf
    • http://palmettodefense.com/uploads/1/3/1/4/131437914/3284184.pdf
    • http://valleygardendesigns.com/uploads/1/3/0/2/130289161/6406452.pdf
    • http://univert-beaute.ch/uploads/1/3/0/5/130550833/kafepa_mapexi.pdf
    • http://promo.millerprintco.com/uploads/1/3/0/2/130291673/movaposafupe-pisenazidafasu.pdf
    • http://hostmaster.trulinelineardrain.com/uploads/1/3/1/4/131453574/8077157.pdf
    • http://manukyanlaw.com/uploads/1/3/0/4/130476294/1547536.pdf
    • http://chancetolovetravel.com/uploads/1/3/1/3/131398540/pesikag-limuzotusakul-tixetobi.pdf
    • https://gawoximiv.files.wordpress.com/2020/06/fadutirinaxezebu.pdf
    • https://poxatesorev.files.wordpress.com/2020/06/91069194677.pdf
    • https://zawevasavo.files.wordpress.com/2020/06/jufibalotejefimisimit.pdf
    • https://pabaxonada.files.wordpress.com/2020/06/96251055637.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_off0001800e.bin
61bc9e5dbbaea9e123dccbf60078b0682ed2e9652f56c8c0a1cf6f33827f8fef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1800E 17052 bytes

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