Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c50f46b6b14c042…

MALICIOUS

PDF

33.6 KB Created: 2020-08-18 16:38:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4210c402ba056aae7c853ce39483bf7c SHA-1: 2090fad831172ce2e82ddd67bf09de14d4c5a071 SHA-256: 1c50f46b6b14c042ba17066ac9188565393020a38365d66b02e13b21018b8643
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.ru, which is presented within the document body as a song download. This heuristic, combined with the presence of numerous other links to Shopify-hosted PDFs, suggests a link farm or redirection scheme designed to lead users to malicious content. The primary intent appears to be directing users to a malicious site via the ttraff.ru URL.

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.ru/pify?keyword=rovenga+aarsh+benipal+song+free
    • http://fujax.liveplayband.com/uploads/1/3/0/9/130969592/dixesakorokuvuk-sufuvujara.pdf
    • https://cdn.shopify.com/s/files/1/0427/7387/2807/files/noxiziromidud.pdf
    • https://cdn.shopify.com/s/files/1/0431/8406/2622/files/islamic_dream_dictionary_pdf.pdf
    • https://cdn.shopify.com/s/files/1/0428/2938/1791/files/ab_soul_these_days_torrent.pdf
    • https://cdn.shopify.com/s/files/1/0430/1763/3949/files/97306177172.pdf
    • https://cdn.shopify.com/s/files/1/0428/7997/5591/files/9899940781.pdf
    • https://cdn.shopify.com/s/files/1/0436/7735/2089/files/daviguzurebepezubuziwu.pdf
    • https://cdn.shopify.com/s/files/1/0435/7311/7096/files/loxirifanesez.pdf
    • https://cdn.shopify.com/s/files/1/0434/3837/5074/files/72552345095.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/38692385895.pdf
    • https://cdn.shopify.com/s/files/1/0433/4052/9816/files/viseneki.pdf
    • https://cdn.shopify.com/s/files/1/0431/6590/9160/files/58985026680.pdf
    • https://cdn.shopify.com/s/files/1/0428/8738/1155/files/bezatab.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_off00004610.bin
c2d3091d2f79555fd7dff8df0e2af844e6048045b67168496f70efd72571e0e2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4610 5372 bytes
font_01_sfnt_off00005858.bin
1ba73fa6bb1e17ed0d3bba4eaa5bf8294b4936779b5c529105b7b1a796fe034d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5858 9748 bytes

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