Malicious PDF — malware analysis report

Static analysis result for SHA-256 43767a4a202d5d4b…

MALICIOUS

PDF

36.8 KB Created: 2020-06-06 00:45:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4bd256a6e6e3ec54609b265a8e946494 SHA-1: c400caec6fdcb5886ed759d337079c75cf3618ad SHA-256: 43767a4a202d5d4b4a7b929a7628db7bd08f77142dbc993a1f4da6b60738ac00
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, a technique often used for SEO spam or to direct users to malicious content. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this behavior, indicating a likely attempt to manipulate search engine results or lure users to potentially harmful websites. The document body itself is largely unreadable, but the presence of numerous URLs points to a malicious intent to redirect the user. 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://high-speed-web.com/uploads/1/3/0/7/130775649/130775649.html#pan+de+cazador
    • http://omniaabdulqadir.com/uploads/1/3/0/9/130969858/luvali.pdf
    • http://xpeditedfreight.com/uploads/1/3/0/6/130605240/dc16e611.pdf
    • http://cbwikia.com/uploads/1/3/1/1/131164043/xawutogefi-kakisew-jawomolixina-wozava.pdf
    • http://mta-sts.mail.brownfarmsstrawberries.com/uploads/1/3/0/8/130814070/gosiwa_pobirovudapat.pdf
    • http://cigprotectioninc.com/uploads/1/3/0/8/130814283/nurofoluj.pdf
    • http://power-sport-suv.info/uploads/1/3/2/3/132302718/c33e7dfc133ce.pdf
    • http://capecoralgutterco.com/uploads/1/3/0/4/130476272/8a48da2a850.pdf
    • http://icaymarketingconsultants.net/uploads/1/3/0/7/130776644/fiwolagemem.pdf
    • http://high-speed-web.com/uploads/1/3/0/7/130775649/terms.html
    • http://high-speed-web.com/uploads/1/3/0/7/130775649/dmca.html
    • http://high-speed-web.com/uploads/1/3/0/7/130775649/policy.html
    • https://mesapomuz134027580.files.wordpress.com/2020/06/1317085321.pdf
    • https://noratum.files.wordpress.com/2020/06/61401144756.pdf
    • https://sujoxina.files.wordpress.com/2020/06/30551349965.pdf
    • https://nedudiwu.files.wordpress.com/2020/06/besujif.pdf
    • https://vikozapu259838642.files.wordpress.com/2020/06/kikavutogasirigoj.pdf
    • https://bomutap.files.wordpress.com/2020/06/kutisinopo.pdf
    • https://sunewizev.files.wordpress.com/2020/06/xawatak.pdf
    • https://renegaj.files.wordpress.com/2020/06/4928607076.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_off0000655e.bin
22827cd6eaf385365cfef988d62df50e5bb3ea2c70f22ce9a02eb8cc53d8d038		 pdf-font-stream PDF embedded font (sfnt) at offset 0x655E 10872 bytes

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