Malicious PDF — malware analysis report

Static analysis result for SHA-256 59856a5954933bfd…

MALICIOUS

PDF

52.2 KB Created: 2020-08-23 11:26:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 00764b93056e2d3bbb633464e7d19e4f SHA-1: 0ae2ec95afc8b9a2995d204c57fc01bbf87e16f1 SHA-256: 59856a5954933bfd7622b3d14f0da32cde18079cbeac2876d9da3b017d19cefa
160 Risk Score

Malware Insights

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

The PDF contains a link farm and a malicious redirector, indicating it is designed to lead users to potentially harmful content. The document body and heuristic firings strongly suggest an advance-fee scam, where users are lured by promises of prizes or funds and then required to perform an action, such as clicking a link. The primary malicious URL identified is https://ttraff.cc/pify?keyword=monkey+dance+video++free.

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.cc/pify?keyword=monkey+dance+video++free
    • http://files.alaurakitchen.com/uploads/1/3/0/9/130969790/wigitikozivox.pdf
    • http://files.aerialsouthampton.com/uploads/1/3/1/4/131483201/bejokowufe-sujovexafag-roxam-matuxemuj.pdf
    • https://cdn.shopify.com/s/files/1/0429/7788/6367/files/26826172645.pdf
    • https://cdn.shopify.com/s/files/1/0430/1075/2663/files/riziregalexikabeg.pdf
    • https://cdn.shopify.com/s/files/1/0435/6446/6335/files/basel_2_full_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0440/9622/5432/files/lopawonupozab.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/86372263330.pdf
    • https://cdn.shopify.com/s/files/1/0435/7190/4673/files/84661130384.pdf
    • https://cdn.shopify.com/s/files/1/0430/4375/0049/files/21675987661.pdf
    • https://cdn.shopify.com/s/files/1/0432/6621/2003/files/72091301205.pdf
    • https://cdn.shopify.com/s/files/1/0436/4913/8846/files/zevuzoxolibitapel.pdf
    • https://cdn.shopify.com/s/files/1/0429/6785/9359/files/93903549976.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_off00008cc3.bin
2a41ade8703a6ddfba576af64470ec8ff28a9feb28d5a1d158bb08cc3d8295b9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8CC3 5036 bytes
font_01_sfnt_off00009e10.bin
8f9c44c388924df78ad369f93caec98e27ee8290753911fdc3550338815719a7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9E10 11632 bytes

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