Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0fe06f778c1566b…

MALICIOUS

PDF

52.0 KB Created: 2020-08-21 16:44:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9032c6f3e8e1debd6207d74a55251e86 SHA-1: ca6d7b0abeb582121e4f22cec299b621103935b2 SHA-256: d0fe06f778c1566bf29ae0d4f32e2ea7ef003ecee0859322781dc9dc4289e954
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically `https://ttraff.cc/pify?keyword=magazine+template+psd+free`. This URL is presented within the document body, disguised as a link to a magazine template. The PDF also exhibits characteristics of a link farm, embedding numerous external links, many of which point to Shopify domains hosting PDF files. While some of these Shopify links are benign, the presence of the malicious redirector and the overall structure suggest a phishing or malware distribution attempt.

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=magazine+template+psd+free
    • http://files.noahcode.org/uploads/1/3/2/7/132712530/furubowipup.pdf
    • http://files.diypaintguy.com/uploads/1/3/1/0/131071315/362fd.pdf
    • https://cdn.shopify.com/s/files/1/0429/2391/7475/files/thalassemia_guidelines_sri_lanka.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/54341666742.pdf
    • https://cdn.shopify.com/s/files/1/0434/7687/7478/files/pilibavukuwidevuze.pdf
    • https://cdn.shopify.com/s/files/1/0428/9334/4924/files/unsafe_abortion.pdf
    • https://cdn.shopify.com/s/files/1/0435/6177/9359/files/examples_of_applicable_financial_reporting_framework.pdf
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/david_gray_babylon.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/lagovobetonewu.pdf
    • https://cdn.shopify.com/s/files/1/0429/8693/0329/files/62919878954.pdf
    • https://cdn.shopify.com/s/files/1/0430/8412/0225/files/rilideruw.pdf
    • https://cdn.shopify.com/s/files/1/0433/6189/4565/files/4687224487.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_off00008ea8.bin
875194aea7b183af40596b1f601658ca057fc3acb9211cf4fa65ee12a7293d32		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EA8 5416 bytes
font_01_sfnt_off0000a108.bin
f187082901398be1697e40b7cdafd40199dfe43e17efc55b2f8eb26b391e4156		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA108 10120 bytes

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