Malicious PDF — malware analysis report

Static analysis result for SHA-256 95c6e10a84f44943…

MALICIOUS

PDF

52.0 KB Created: 2020-08-02 06:21:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6eda6e0f9cc659f13fe13d9974f9ee7c SHA-1: 0905725ebf9d6f23ab1c42c79c403809c22576a9 SHA-256: 95c6e10a84f44943507ec9765302e51858705e7d1076cf58b788b6257649a984
120 Risk Score

Malware Insights

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

The PDF file contains a mass of external links, many pointing to Shopify domains, designed to appear as a link farm. One prominent link, 'https://ttraff.cc/pify?keyword=minecraft+joules+to+rf', is identified as a malicious redirector. This suggests the document's primary purpose is to redirect users to malicious infrastructure, likely for further exploitation or phishing. No scripts were extracted, and the document body is heavily obfuscated.

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.cc/pify?keyword=minecraft+joules+to+rf
    • http://files.dianekatzman.com/uploads/1/3/2/7/132741194/nilakilex.pdf
    • http://files.alittlebithereatidbitthere.com/uploads/1/3/1/4/131453067/xuwajogezikenadudas.pdf
    • http://files.eddielandsberg.com/uploads/1/3/0/9/130968984/fomuxakojojijaf-dafura.pdf
    • http://files.lancasterjazz.com/uploads/1/3/1/3/131398360/c54e1202b.pdf
    • http://files.amtboats.co.uk/uploads/1/3/0/7/130739369/ddaad202afb0a2.pdf
    • https://cdn.shopify.com/s/files/1/0427/9438/5575/files/693021034.pdf
    • https://cdn.shopify.com/s/files/1/0437/7011/8302/files/pexafeketajoz.pdf
    • https://cdn.shopify.com/s/files/1/0427/8494/8380/files/79139512922.pdf
    • https://cdn.shopify.com/s/files/1/0431/6574/5303/files/lakibogibi.pdf
    • https://cdn.shopify.com/s/files/1/0434/6016/5797/files/semitazaloluvekot.pdf
    • https://cdn.shopify.com/s/files/1/0433/4678/8502/files/74497972348.pdf
    • https://cdn.shopify.com/s/files/1/0438/3624/4118/files/59594053278.pdf
    • https://cdn.shopify.com/s/files/1/0436/8482/3205/files/jadazafejiwivalijoxela.pdf
    • https://cdn.shopify.com/s/files/1/0435/6630/1343/files/skyrim_paradise_halls.pdf
    • https://cdn.shopify.com/s/files/1/0431/0191/3244/files/36121719590.pdf
    • https://cdn.shopify.com/s/files/1/0433/8089/9989/files/xajobaferegizasoj.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_off0000889c.bin
6c0579e44ee35600d05909b782a1a40ccc4b0b1d52c8c0e6c86cb5288f44f1bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x889C 4956 bytes
font_01_sfnt_off00009997.bin
753acbdcfac523687ef5aa7cfc4e9ecb0405ca9ba313a8b22a0007e3811a531d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9997 13248 bytes

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