Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c65cc8e7325b99b…

MALICIOUS

PDF

41.7 KB Created: 2020-03-30 02:43:22 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: b6e99c20bc4522b28ef6ca2225eddbf2 SHA-1: d1a0c834352738f0fcebe7ecb3aa5ee63a59ccb8 SHA-256: 1c65cc8e7325b99bb9e54a0e9c483937a26044e7d2863649f66d862944aed272
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious File

This PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The document body contains a title related to 'Misterios gozosos del santo rosario en audio' and includes the wkhtmltopdf version, suggesting it might be a lure. The primary attack pattern involves directing users to a vast array of PDF files hosted on numerous domains, likely for SEO poisoning or to serve malicious payloads.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://74-123-76-199.mgwnet.com/uploads/1/3/0/7/130739333/130739333.html#misterios+gozosos+del+santo+rosario+en+audio
    • http://buttrebraak.com/uploads/1/3/0/5/130588751/kaxosakiteme.pdf
    • http://festivalis.net/uploads/1/3/0/5/130551661/vupanetivoweki.pdf
    • http://tinyredhearts.com/uploads/1/3/1/0/131070298/perirorefa_funazupowimo_dolila_xudomugibukuwi.pdf
    • http://sweetlysugared.com/uploads/1/3/0/5/130588343/6335029.pdf
    • http://ilcic.org/uploads/1/3/0/4/130489841/e52f8605e282e.pdf
    • http://fccmcgregor.org/uploads/1/3/0/7/130776312/1857428.pdf
    • http://revealwellnessmedspa.com/uploads/1/3/0/6/130639092/1380070.pdf
    • http://familyandlifesec.org/uploads/1/3/0/7/130776265/a5a8bee.pdf
    • http://webmail.newmorningacres.com/uploads/1/3/0/7/130738921/risawonot-lomidazur-tuxegajufi-dekifa.pdf
    • http://simplybyoutee.net/uploads/1/3/0/6/130605204/jilifatuvategasil.pdf
    • http://bogdanins.com/uploads/1/3/0/5/130590717/fabezalu.pdf
    • http://dckines.com/uploads/1/3/0/6/130639275/zenot-vavajo-xotikedupivi-jolaxatat.pdf
    • http://crucialchristian.org/uploads/1/3/0/9/130969458/1841220.pdf
    • http://vacationrentalsinternational.net/uploads/1/3/0/6/130620892/474297.pdf
    • http://worldclasswoodworking.net/uploads/1/3/0/6/130639147/3073541.pdf
    • http://emailforensic.org/uploads/1/3/0/7/130738943/visinamogafabegupe.pdf
    • http://securingcenter.com/uploads/1/3/0/3/130379167/7e6aba0.pdf
    • http://danalimattgundogs.com/uploads/1/3/0/3/130324236/1762966.pdf
    • http://beezcreations.com/uploads/1/3/0/6/130639267/5905d355.pdf
    • http://gpdxibeta.org/uploads/1/3/0/9/130969129/xunelagovukulip.pdf
    • http://intelligencepluscharacter.org/uploads/1/3/0/9/130969707/zemiralir.pdf
    • http://rachelbri.com/uploads/1/3/0/6/130604552/9262169.pdf
    • http://inspiredweddingshowcase.com/uploads/1/3/1/4/131438086/nepofakariti_nunavozaj.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_off00007794.bin
6364f946ac8dd45a7a4451ce899ca7d1a0aed2881936a364fa084234b9eba5aa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7794 8604 bytes

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