Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f8ff32edc0c2437…

MALICIOUS

PDF

32.0 KB Created: 2020-03-30 02:00:59 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61834428ff246303c930f1a832bc6a1f SHA-1: d4eab0b4ef5cda2c4f94e27e5f1a3af6847c4f7e SHA-256: 7f8ff32edc0c24372c183b119e4b9be4250b11f9565cf34d150422b9986aedc2
62 Risk Score

Malware Insights

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

The PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body, though heavily obfuscated, contains references to URLs that are also present in the list of extracted URLs. These links likely lead to phishing pages or malware distribution sites, aiming to trick the user into downloading further malicious content or revealing sensitive information.

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://wcd-3ni9vm8.mgh-r.ch/uploads/1/3/0/5/130588762/130588762.html#datascope+accutorr+v
    • http://corposacademia.com/uploads/1/3/0/3/130323403/3833280.pdf
    • http://gallegoswindowcleaningdetail.com/uploads/1/3/1/3/131381533/3843f7.pdf
    • http://egowheelchair.com/uploads/1/3/1/4/131408832/9717723.pdf
    • http://heyhagan.com/uploads/1/3/0/7/130775543/genefi.pdf
    • http://elementalpyschotherapy.com/uploads/1/3/0/3/130379363/benijotidanupiz_gubufolubumap.pdf
    • http://mail.androscogginswcd.org/uploads/1/3/1/3/131380606/lebexigugoxoramot.pdf
    • http://bigleaguepoolservice.com/uploads/1/3/0/6/130639471/jokisa_dototeluka.pdf
    • http://thecraftbootique.com/uploads/1/3/0/3/130313368/buwubunumi.pdf
    • http://salvadorhcastro.com/uploads/1/3/0/3/130379488/xoxotodin.pdf
    • http://huntermackenzie.com/uploads/1/3/0/6/130639729/bepotuvefifubowazupi.pdf
    • http://welcomehomesolutions.org/uploads/1/3/0/7/130776590/jowijukivikawa.pdf
    • http://mindyourheadconsulting.com/uploads/1/3/0/8/130814907/kipojun-wigubetawose-libusi-zogaza.pdf
    • http://bailaymeditaibiza.com/uploads/1/3/0/2/130270977/mabazada.pdf
    • http://novusss.com/uploads/1/3/0/7/130775592/3802635.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_off000056ee.bin
267199c3444337723c0c6a2658ae789722ab07c2ec68d501d2ec93785b5c3129		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56EE 7220 bytes

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