Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d688adac851916c…

MALICIOUS

PDF

38.6 KB Created: 2020-07-27 23:29:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9de18c6067d87de23d6802d9ffdf795d SHA-1: 92c85bf8aa8ce1e5bdb94fcf1e1f3dd1caca7f05 SHA-256: 1d688adac851916ce2758e567a61e97e7b4c3656b79d6a5fc670796908aa4ab0
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a malicious redirector link disguised as content about Jeep performance parts. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK and the embedded URL point to ttraff.com, which is known for malicious redirection. The PDF also hosts a large number of external links, suggesting a link farm or SEO poisoning tactic. No scripts were extracted, limiting the analysis of further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://ttraff.com/pify?keyword=2010+jeep+grand+cherokee+srt8+performance+parts
    • http://files.atelierortegachocolates.com/uploads/1/3/1/8/131856271/doferovuroka.pdf
    • http://files.planet-fitness.co.uk/uploads/1/3/2/6/132696060/ranezug-nimekigefe-jajotit-vugorafatawe.pdf
    • http://files.allsaintsmickleover.org.uk/uploads/1/3/2/6/132695388/31731.pdf
    • http://files.allsaintsmickleover.org.uk/up
    • https://cdn.shopify.com/s/files/1/0432/7692/7141/files/xupofagawupepekane.pdf
    • https://cdn.shopify.com/s/files/1/0438/4066/7808/files/51354239737.pdf
    • https://cdn.shopify.com/s/files/1/0434/1068/6113/files/94025522623.pdf
    • https://cdn.shopify.com/s/files/1/0436/5497/1557/files/xufamowa.pdf
    • https://cdn.shopify.com/s/files/1/0431/6551/5933/files/43009945092.pdf
    • https://cdn.shopify.com/s/files/1/0439/1131/5611/files/80175267519.pdf
    • https://cdn.shopify.com/s/files/1/0430/7006/2754/files/kufezofapidexoweg.pdf
    • https://cdn.shopify.com/s/files/1/0435/4323/2661/files/72739331317.pdf
    • https://cdn.shopify.com/s/files/1/0438/6629/2389/files/relufojitubixosod.pdf
    • https://cdn.shopify.com/s/files/1/0429/2355/7030/files/dufolalilumu.pdf
    • https://cdn.shopify.com/s/files/1/0435/4464/1695/files/wusosoguminovefesekojuja.pdf
    • https://cdn.shopify.com/s/files/1/0430/1019/5605/files/maseri.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_off000056b7.bin
8b3c58e357419106b4d028a364796eee57303d83824b899d3d463350ecd7fa5e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56B7 5844 bytes
font_01_sfnt_off00006a6b.bin
1718c07f13d9d3d583291fdcd436f366bde8dce35c83cae0a40ce5f45ac3d6bf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6A6B 10132 bytes

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