Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dadab199ca0fb78…

MALICIOUS

PDF

40.7 KB Created: 2020-06-06 22:11:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 936c2807f7bef2a15bd281e6d8b58147 SHA-1: 6979f7cf2fc3b28559f819bc229c50af423f267d SHA-256: 9dadab199ca0fb783545ac672066e4d6f9db6d3d145505fc9975c726a61e7778
62 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, a technique often used for SEO manipulation or to distribute malware. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, with the primary observed URL being http://providencelawchambers.com/uploads/1/3/0/6/130604910/menigesozigoti-fodawazitupufir-duzodekeval.pdf. While no scripts were extracted, the sheer volume and nature of the embedded links suggest a malicious intent to redirect users or manipulate search engine results.

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://jaewonshin.com/uploads/1/3/0/4/130489222/130489222.html#digimon+story+cyber+sleuth+agumon+digivolution+chart
    • http://providencelawchambers.com/uploads/1/3/0/6/130604910/menigesozigoti-fodawazitupufir-duzodekeval.pdf
    • http://santacruzmeditationretreats.com/uploads/1/3/1/4/131452887/kozosawajimep_medodajewirat.pdf
    • http://42y.undesirable.us/uploads/1/3/0/7/130740166/2294c06e6da.pdf
    • http://haitivillageproject.org/uploads/1/3/1/4/131455398/b3efe1.pdf
    • http://elliehunt8.com/uploads/1/3/1/4/131453734/kajodikidum.pdf
    • http://create-adventure.com/uploads/1/3/0/5/130588775/1918418.pdf
    • http://divinesimplicity.net/uploads/1/3/0/7/130775818/8434651.pdf
    • http://allacadenza.com/uploads/1/3/1/4/131438847/pazoxi.pdf
    • http://auroramovengangent.com/uploads/1/3/0/6/130603841/gafadud.pdf
    • http://hopewellstrategies.com/uploads/1/3/0/4/130435635/2571414.pdf
    • http://jenhuda.com/uploads/1/3/0/7/130776067/abda1bc9771d1.pdf
    • http://froehlich-kaltenberg.de/uploads/1/3/0/6/130639739/govinu.pdf
    • https://fusosimube.files.wordpress.com/2020/06/warexabapinonuwad.pdf
    • https://judesugitu.files.wordpress.com/2020/06/93742230732.pdf
    • https://bilebapajaji.files.wordpress.com/2020/06/81445289600.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005dc6.bin
e484905d626ae925a184d5a2dfe641f5f504681eaf08f3bd1c0eb8c3b90a40f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5DC6 10336 bytes
font_01_sfnt_off0000816f.bin
3f83bbfb2e03141a9083badfb1da6e2b1773f9aa6b1ed8f30fc2d392a5ee3553		 pdf-font-stream PDF embedded font (sfnt) at offset 0x816F 16140 bytes

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