Malicious PDF — malware analysis report

Static analysis result for SHA-256 1ff2c4f34c3a0144…

MALICIOUS

PDF

36.2 KB Created: 2020-08-19 08:24:08 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c1d68add33020112952e87e9b63cf00 SHA-1: 5dfd54febcb716fa636c3d9a9d23b5278eba779d SHA-256: 1ff2c4f34c3a0144d09d672227b3b5f65262c861155f102dc5fb6c7766b2b389
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 `https://ttraff.cc/pify?keyword=everytime+we+say+goodbye+movie+free`. This URL is presented within the document body, suggesting a lure for users to download content. The PDF also exhibits characteristics of a link farm, with numerous external links, many of which are benign Shopify URLs but some are unknown. The primary malicious URL is the most significant IOC.

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.cc/pify?keyword=everytime+we+say+goodbye+movie+free
    • http://mozix.boasc.co.uk/uploads/1/3/2/6/132681737/dojabepuzo-mutetixato-wibotulule.pdf
    • http://lusodure.ahealinghand.net/uploads/1/3/1/6/131636612/6adf674285b.pdf
    • https://cdn.shopify.com/s/files/1/0429/6422/2101/files/moravagine_blaise_cendrars.pdf
    • https://cdn.shopify.com/s/files/1/0434/7589/4437/files/araruama_livro.pdf
    • https://cdn.shopify.com/s/files/1/0430/4466/7553/files/wavebevegasumotemiso.pdf
    • https://cdn.shopify.com/s/files/1/0433/7886/8387/files/gogizad.pdf
    • https://cdn.shopify.com/s/files/1/0434/4627/2162/files/drawn_together_unsensored.pdf
    • https://cdn.shopify.com/s/files/1/0428/4396/3548/files/xarozoreg.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/51906755497.pdf
    • https://cdn.shopify.com/s/files/1/0431/6073/1808/files/hand_embroidery_designs_for_beginners.pdf
    • https://cdn.shopify.com/s/files/1/0434/2471/0807/files/62568698483.pdf
    • https://cdn.shopify.com/s/files/1/0437/7542/6722/files/9053022317.pdf
    • https://cdn.shopify.com/s/files/1/0436/4081/5774/files/48126880216.pdf
    • https://cdn.shopify.com/s/files/1/0440/8619/8424/files/28543913197.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_off00004cfe.bin
8ff8ce5967095f89ceb162705b3144dd52d9e0bc883e765b905d1586c7666417		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4CFE 5544 bytes
font_01_sfnt_off00005fdd.bin
24b7dddb8a411fda892d0cdd67b8684d9243280f8135bad3b9b69bfc26255a64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FDD 10556 bytes

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