Malicious PDF — malware analysis report

Static analysis result for SHA-256 cdaabb64104a1c19…

MALICIOUS

PDF

68.1 KB Created: 2020-08-19 05:23:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5727e5cdaf17c48ab000cc8a3983d710 SHA-1: 89a9852a17cec897b65e71ec87b512683bbbde3c SHA-256: cdaabb64104a1c19ae00a35785286c53a09f092402f46ded6e8d20330293c31d
120 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/pify?keyword=apollo+13+soundtrack++free'. It also exhibits a PDF link farm heuristic, with many embedded links, including one to 'https://cdn.shopify.com/s/files/1/0437/8542/0949/files/kimefefi.pdf'. The document body, though heavily obfuscated, contains text related to the 'Apollo 13 soundtrack free' lure and the URLs, suggesting the primary goal is to redirect users to malicious infrastructure.

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=apollo+13+soundtrack++free
    • http://tokadi.robynveal.com/uploads/1/3/1/8/131871699/bupusepobelapok.pdf
    • http://xulubo.salinemiddleschoolchoirs.com/uploads/1/3/1/3/131380550/76041.pdf
    • http://parifezu.aimtravelco.voyagerwebsites.com/uploads/1/3/0/7/130738824/84c3e7c84e248.pdf
    • http://files.boquetenewcomers.com/uploads/1/3/2/7/132710632/8239630.pdf
    • https://cdn.shopify.com/s/files/1/0437/8542/0949/files/kimefefi.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/13908697451.pdf
    • https://cdn.shopify.com/s/files/1/0436/9242/5370/files/zemorozefideni.pdf
    • https://cdn.shopify.com/s/files/1/0430/5823/3493/files/terisoxatakufazivexi.pdf
    • https://cdn.shopify.com/s/files/1/0439/6757/8270/files/luciferase_reporter_gene_analysis.pdf
    • https://cdn.shopify.com/s/files/1/0428/4982/9023/files/sovapunisarixabuda.pdf
    • https://cdn.shopify.com/s/files/1/0431/1128/4885/files/gibuwilozuwerunibo.pdf
    • https://cdn.shopify.com/s/files/1/0428/7394/6275/files/lumavokirara.pdf
    • https://cdn.shopify.com/s/files/1/0449/8187/8942/files/vupuxilufebiwivu.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_off0000cc84.bin
0d4f83fae55fdf07a376b703bcde984580d2beac314fb1af5704b4e758fbc4b3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCC84 5416 bytes
font_01_sfnt_off0000deff.bin
899e8318764f438d1bcc06b3f2c14d93943d4e49a11db975855ab4817a38d831		 pdf-font-stream PDF embedded font (sfnt) at offset 0xDEFF 10768 bytes

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