Malicious PDF — malware analysis report

Static analysis result for SHA-256 7faf9928e2bd6945…

MALICIOUS

PDF

35.4 KB Created: 2020-05-18 03:57:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a3dc0e208de28e1d37194516004a85b7 SHA-1: 598a25db4c5fbb9aee75a78860e35e82c5168343 SHA-256: 7faf9928e2bd69450f95408486b133b8be303ce514073b85b24cc7c16f04ff56
92 Risk Score

Malware Insights

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

This PDF document contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The document body contains text related to an ID card template and references the authoring application, suggesting a lure. The primary attack pattern involves redirecting users to numerous external URLs, likely for SEO spam or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://headblocks.org/uploads/1/3/1/8/131856033/131856033.html#id+card+ww2+template
    • http://kmscleaningservices.net/uploads/1/3/1/6/131607023/rovenage.pdf
    • http://cobaltconstructiontx.net/uploads/1/3/0/5/130550994/tarolotu.pdf
    • http://powerbicollege.com/uploads/1/3/0/3/130379824/kokabunilefoz.pdf
    • http://expogeografica.co/uploads/1/3/0/7/130739793/de65f028.pdf
    • http://airwaycore.com/uploads/1/3/0/5/130588336/9415834.pdf
    • http://watkinsdancecompanyonlinedanceclasses.com/uploads/1/3/0/6/130603945/39d05.pdf
    • http://doodlepadart.com/uploads/1/3/0/6/130620581/tugizevulomo-posusisemusi-dowajegujok-soxalafa.pdf
    • http://ramosbrinth.com/uploads/1/3/0/6/130639516/wetevuziwulopa_nimupilot.pdf
    • http://doodleboarding.com/uploads/1/3/0/5/130551176/jawujele_watop.pdf
    • http://caravelstudios.net/uploads/1/3/0/5/130550930/siridezamuriwisusor.pdf
    • http://thevisionagency.org/uploads/1/3/1/3/131383981/sozalufanedozimifu.pdf
    • http://raiamiuda.com/uploads/1/3/0/4/130476974/dekepu.pdf
    • http://cannamountaincbd.ca/uploads/1/3/0/2/130289601/4547722.pdf
    • http://anitagoodidea.com/uploads/1/3/0/5/130588948/97e5a5e1d7d6.pdf
    • http://jplawnsvs.com/uploads/1/3/0/3/130313343/2614789.pdf
    • http://thelyonstale.com/uploads/1/3/0/4/130436354/bb83fa4a72.pdf
    • http://monkeysandbubblesdaycare.com/uploads/1/3/0/9/130969448/7024509.pdf
    • http://flexmoldferramentaria.com/uploads/1/3/0/7/130739712/gabegekobel_luwoxogag_madefuxedow.pdf
    • http://adhdtransformation.com/uploads/1/3/1/8/131857626/2de05c3f4a6.pdf
    • http://booksummaries.org/uploads/1/3/1/3/131384544/5160347.pdf
    • http://tellevoporlamano.com/uploads/1/3/0/3/130379111/zifiregev.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_off00005f15.bin
f5da38a3d444ac2a8abb6034f04538c91c55722001054c3a4d2d5b77eb848b31		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F15 10308 bytes

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