Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e6f96b8f17d285b…

MALICIOUS

PDF

45.0 KB Created: 2020-08-11 00:41:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 80078d030af6d51120031f4b9d9e8cec SHA-1: 7028b01a3c7a510f397074c40999afcace1cb69b SHA-256: 2e6f96b8f17d285bce7c11a221b7b846cc3a05519bc69d3509eaeef2cf872e69
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This URL is embedded within the document body, suggesting a social engineering attempt to trick the user into clicking it. The PDF also contains a link farm heuristic, indicating a large number of outbound links, many of which point to Shopify domains, likely for SEO manipulation or to host further malicious content. The primary malicious URL is reconstructed from the document body.

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=thinking+skills+critical+thinking+and+problem+solving+pdf+free
    • http://denobob.crafteahearts.com/uploads/1/3/1/4/131410007/284784.pdf
    • http://files.iesno.com/uploads/1/3/1/4/131438324/c8557d651d8c2.pdf
    • http://files.sisterssinginoldies.com/uploads/1/3/1/3/131379296/2569188.pdf
    • http://files.smilesbyrane.com/uploads/1/3/1/3/131378990/1595857.pdf
    • https://cdn.shopify.com/s/files/1/0436/1145/5645/files/96689980416.pdf
    • https://cdn.shopify.com/s/files/1/0435/3982/4799/files/technicolor_tg582n_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57727452667.pdf
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/42579538559.pdf
    • https://cdn.shopify.com/s/files/1/0436/9124/5733/files/hard_stone_pixelmon.pdf
    • https://cdn.shopify.com/s/files/1/0430/1049/0519/files/69098582742.pdf
    • https://cdn.shopify.com/s/files/1/0436/4340/4441/files/how_to_change_java_version.pdf
    • https://cdn.shopify.com/s/files/1/0433/9413/8268/files/62427555615.pdf
    • https://cdn.shopify.com/s/files/1/0432/6401/6539/files/brain_anatomy_and_physiology.pdf
    • https://cdn.shopify.com/s/files/1/0430/7111/1330/files/67251975939.pdf
    • https://cdn.shopify.com/s/files/1/0428/3147/8950/files/tupofofatexiwed.pdf
    • https://cdn.shopify.com/s/files/1/0436/0355/8564/files/rs_aggarwal_quantitative_aptitude_download.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_off00006ffa.bin
1b03de8c1bfa4f47919130c47f4cc266fd1c19e7af128f443ac6581cf1529c9e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6FFA 5784 bytes
font_01_sfnt_off0000837a.bin
004c6c429b138a9eb29739846ebf8b96ce2f8c09e9dc18db9bf0a38f4938ba98		 pdf-font-stream PDF embedded font (sfnt) at offset 0x837A 10336 bytes

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