Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd756914f709aa6a…

MALICIOUS

PDF

32.9 KB Created: 2020-04-01 14:51:43 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 61742a82436a8f14e54ea774aa4974ef SHA-1: 188aa01e51bc1bc4649e112fa24ef9cbed2dfabd SHA-256: cd756914f709aa6aee603546b52ad3602b1cf5d761a2ec49b6cd0faec47fbc0f
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, a technique often used for SEO poisoning or to redirect users to malicious sites. The document body, though heavily obfuscated, contains references to educational material and URLs that appear to be part of a link farm. The primary intent appears to be directing users to a network of websites, likely for phishing or malware distribution.

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://jaydeleski.sucks/uploads/1/3/0/6/130639183/130639183.html#mcgraw+hill+my+math+kindergarten+pdf
    • http://www.greyheartshomeware.com/uploads/1/3/0/7/130740022/sawavesugununak-punibu.pdf
    • http://kuchnirforcongress.com/uploads/1/3/0/9/130969492/nakanilo-zezaka-dimurefug.pdf
    • http://fsmphotography.us/uploads/1/3/0/8/130814469/4218030.pdf
    • http://moleteaworks.org/uploads/1/3/0/8/130873982/lomalesuvutovejobi.pdf
    • http://sociobyte.com/uploads/1/3/0/4/130476699/dezupukanu_jojexag_xilubesolu_kitupogitaku.pdf
    • http://meggiorin.org/uploads/1/3/0/4/130476423/a02f40519.pdf
    • http://agaperadioonline.org/uploads/1/3/0/5/130588710/8433351.pdf
    • http://deathbedassassins.com/uploads/1/3/0/6/130621261/1817625.pdf
    • http://ba-solutions.ch/uploads/1/3/0/5/130539871/nowapa-jafajekike.pdf
    • http://info.petervogel.org/uploads/1/3/1/4/131437770/dajimopexexuzopuja.pdf
    • http://dianataylortarot.com/uploads/1/3/1/3/131379085/bc54b08bac1af60.pdf
    • http://tharrisbgq.com/uploads/1/3/0/5/130588231/degenakifuluvuj-ximifugegibi-xaxibituv-zoxulufivodu.pdf
    • http://kevinpistole.com/uploads/1/3/0/7/130740521/2725439.pdf
    • http://ariseandshinephotos.com/uploads/1/3/0/6/130639329/wovitukogudepo.pdf
    • http://nuthoppers.com/uploads/1/3/0/4/130488091/301be78b44.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_off0000570a.bin
1009baaf6c0d065e23d3481b3ee4c2a53c5dd1ad74143db63393d744a594f15a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x570A 7564 bytes

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