Malicious PDF — malware analysis report

Static analysis result for SHA-256 029684871e12d561…

MALICIOUS

PDF

34.7 KB Created: 2020-11-06 18:40:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6210357a166799181d274ecd7fd851b8 SHA-1: 460e72fcbeb2f37afb5088004952e0633ca7cab2 SHA-256: 029684871e12d5616d094063e2d46d3cb0968d7f03a4b7ef3c3d4591b775a369
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded links, with one identified as a malicious redirector. The heuristic firings indicate a link farm and a malicious redirector, suggesting the document's primary purpose is to drive traffic to potentially harmful websites. No scripts were extracted, but the embedded URLs are the main indicators of malicious activity.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 3

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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 https://ggtraff.ru/aws?keyword=simplex+2001+manual
    • https://cdn-cms.f-static.net/uploads/4385038/normal_5f9f6d673e76f.pdf
    • https://bimelubisazabe.weebly.com/uploads/1/3/4/4/134492892/sivawivalep-pipetakawixe.pdf
    • https://cdn-cms.f-static.net/uploads/4380527/normal_5f8b0479eb902.pdf
    • https://megadezatesaram.weebly.com/uploads/1/3/0/7/130776649/gumililov_fowij_lizonezokal.pdf
    • https://rixokofumi.weebly.com/uploads/1/3/1/3/131380985/vopetasubaz.pdf
    • https://cdn-cms.f-static.net/uploads/4390071/normal_5f909f808c9f5.pdf
    • https://xevujudibibabus.weebly.com/uploads/1/3/4/5/134599482/4205a0d6924.pdf
    • https://widobane.weebly.com/uploads/1/3/4/3/134340358/34327.pdf
    • https://ranerenonosojib.weebly.com/uploads/1/3/1/4/131483420/xomefaxafojudo.pdf
    • https://cdn-cms.f-static.net/uploads/4372702/normal_5f95803a55032.pdf
    • https://rosuxemu.weebly.com/uploads/1/3/0/7/130776582/dumirisefamul.pdf
    • https://cdn-cms.f-static.net/uploads/4445326/normal_5f9f802b75038.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/63fbed6f-d888-4b41-9599-9d951a9417c0/34160354947.pdf
    • https://uploads.strikinglycdn.com/files/047b3ce7-8ef8-409d-b7f5-b85962ec175f/93099997921.pdf
    • https://uploads.strikinglycdn.com/files/742ec78e-5ac9-4e54-a13d-9572e5aa3b96/36533045669.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000612d.bin
1d796f7feb82f9a7dd69729c0884bdf8783f7f19f46ef5c38460c3fc30da6c88		 pdf-font-stream PDF embedded font (sfnt) at offset 0x612D 5188 bytes

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