Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcfb8b1badb39c26…

MALICIOUS

PDF

43.3 KB Created: 2020-08-25 02:55:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54c7d792b024807b6b7aed298f9d3fd5 SHA-1: 553c4b1a4435b6c404837e15f1226eff7e4db8e8 SHA-256: fcfb8b1badb39c26de3069ef662bac908e22e60b15d0d907a2a869e7f36751f7
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.cc/pify?keyword=android+watch+for+men', which is flagged as malicious. The presence of numerous links, including the malicious redirector, strongly suggests 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=android+watch+for+men
    • http://files.williamrudolphfaulkner.com/uploads/1/3/1/3/131380063/mewis.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/17721531589.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/23535065851.pdf
    • https://cdn.shopify.com/s/files/1/0431/1613/4562/files/92239826937.pdf
    • https://cdn.shopify.com/s/files/1/0438/0504/8994/files/nulurinawudipi.pdf
    • https://cdn.shopify.com/s/files/1/0435/8589/6609/files/deep_ecology.pdf
    • https://cdn.shopify.com/s/files/1/0440/4386/2181/files/dakubelutade.pdf
    • https://cdn.shopify.com/s/files/1/0430/9080/4893/files/movie_trivia_questions_and_answers_2015.pdf
    • https://cdn.shopify.com/s/files/1/0461/9947/2277/files/holy_priest_leveling_guide_classic_wow.pdf
    • https://cdn.shopify.com/s/files/1/0440/1856/5270/files/vista_128fbp_programming_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/1761/7057/files/xiwanemefakusodebed.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_off00006ce2.bin
9c18f462f0cc03f4a767120f1482d08d68728e28368386fb9478731a8d0b1e21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE2 5132 bytes
font_01_sfnt_off00007e3c.bin
a9e713dd2ee3e2389e41be7ffd71a928af3f561fcaee561f6e6feb4a4ef28c79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E3C 10208 bytes

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