Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7a60ffd319049e7…

MALICIOUS

PDF

54.5 KB Created: 2020-08-16 00:45:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d23e649d8dbc9c5a35d5dd595bb3ed36 SHA-1: 872d481e483a745b00d3b6b28ba3ea5acb6841a1 SHA-256: d7a60ffd319049e7f8be9b44f04c7136c3bc544cfc0d0016ce4f2a2d16a00e51
160 Risk Score

Malware Insights

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

The PDF file contains a lure for an advance-fee scam, referencing lottery winnings and parcel delivery. It includes a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com', which is likely the initial stage of a phishing or scam campaign. The document body also contains numerous embedded links, many hosted on Shopify, which are likely part of a link farm to improve search engine ranking for malicious content.

Heuristics 4

  • 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.
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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=lakshmi+tamil+movie++tamilrockers+2018+hd
    • http://files.koyasanbetsuin.org/uploads/1/3/0/8/130814680/lemelakedowovom.pdf
    • http://files.metalgardenbeds.com/uploads/1/3/0/8/130873846/d12e8ad72351.pdf
    • http://files.thepollardgallery.com/uploads/1/3/1/4/131437865/62bef6d0c59e18.pdf
    • https://cdn.shopify.com/s/files/1/0431/3671/2861/files/65429332354.pdf
    • https://cdn.shopify.com/s/files/1/0428/7194/7430/files/dotexesakesapifigakog.pdf
    • https://cdn.shopify.com/s/files/1/0433/8152/2599/files/lumofugewogawupe.pdf
    • https://cdn.shopify.com/s/files/1/0433/7146/2814/files/surgical_guide_for_crown_lengthening.pdf
    • https://cdn.shopify.com/s/files/1/0427/6623/7852/files/70511404613.pdf
    • https://cdn.shopify.com/s/files/1/0435/9372/8158/files/buwijemetomotirojugan.pdf
    • https://cdn.shopify.com/s/files/1/0439/8333/9678/files/aptitude_questions_and_answers_for_computer_science.pdf
    • https://cdn.shopify.com/s/files/1/0438/1274/9469/files/89334887784.pdf
    • https://cdn.shopify.com/s/files/1/0429/9925/1093/files/zirebewata.pdf
    • https://cdn.shopify.com/s/files/1/0430/0688/6051/files/91934855174.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_off00008bfc.bin
a6d1375b30aad5916ffa83816c2227d5098676591a847bee4cebe7dbad6a057d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8BFC 5764 bytes
font_01_sfnt_off00009f77.bin
0cba4f13633a68d7e1ccbfdf60a447089cfcf9499e9dce797c4668a8c99bd54f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9F77 14712 bytes

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