Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6e86685e76fa15d…

MALICIOUS

PDF

39.0 KB Created: 2020-08-26 14:49:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8fbb00a54d58579eb4c45563ad4dcca4 SHA-1: 745d824aa7a6124254c8ec4ace815cd79145b8c2 SHA-256: e6e86685e76fa15d0e37636961c35da7574b871e5047ad7fe8ee3a1f5b040942
120 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a critical heuristic firing for a malicious redirector link. The document body and embedded links point to various PDF files, including one that redirects to 'ttraff.club', a known malicious redirector. This suggests the document is designed to drive traffic to malicious sites, likely for SEO spam or phishing purposes.

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.club/pify?keyword=tarot+pdf+rider
    • http://files.gaybawaodmark.com/uploads/1/3/0/7/130738805/lofiguribadopakob.pdf
    • http://titijivi.goglcde.org/uploads/1/3/1/0/131069992/loloxo-penekunenajul-kafizonipeb-xifasa.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kilezolesosobusafo.pdf
    • https://cdn.shopify.com/s/files/1/0433/6772/7269/files/66211369701.pdf
    • https://cdn.shopify.com/s/files/1/0431/6387/7537/files/85523516576.pdf
    • https://cdn.shopify.com/s/files/1/0430/7235/6505/files/wikepurivezux.pdf
    • https://cdn.shopify.com/s/files/1/0434/2946/2165/files/75944539343.pdf
    • https://cdn.shopify.com/s/files/1/0432/2505/5389/files/wuzeza.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/33525843050.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/84583669035.pdf
    • https://cdn.shopify.com/s/files/1/0429/3846/6467/files/jaxiseme.pdf
    • https://cdn.shopify.com/s/files/1/0428/0470/7491/files/mimorak.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_off00005c3e.bin
9d23aef1a3eca1956edffc189613acca63033a10a02695ed3581c54c2ffc6d9f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5C3E 4772 bytes
font_01_sfnt_off00006c8d.bin
7ab457d602e937701b39fb75cbba4dd9e9803f014507f55092446ff61936e33a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C8D 10464 bytes

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