Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d488780007d2b33…

MALICIOUS

PDF

34.7 KB Created: 2020-08-16 19:45:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6709ec843608beca314a37624526a8bb SHA-1: 1e4f38ce5543608e8600c15a1904ff8a6d9580c3 SHA-256: 1d488780007d2b33a38567704c928fa0a56f046206323af9ac787782e2f164a2
120 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, with the primary redirector URL being https://ttraff.ru/pify?keyword=boveda+espiritual+pdf. This indicates a link farm or redirection tactic designed to lead users to malicious content. The document body, though heavily obfuscated, contains references to 'Boveda espiritual pdf', likely a lure to entice users to click the embedded links. The presence of multiple Shopify URLs suggests an attempt to blend in with legitimate content while distributing malicious links.

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=boveda+espiritual+pdf
    • http://files.akshansh.net/uploads/1/3/0/8/130874338/0839db.pdf
    • https://cdn.shopify.com/s/files/1/0432/8570/8953/files/41601524968.pdf
    • https://cdn.shopify.com/s/files/1/0433/0763/0747/files/6012879992.pdf
    • https://cdn.shopify.com/s/files/1/0431/8052/3678/files/81579640873.pdf
    • https://cdn.shopify.com/s/files/1/0433/5930/5880/files/kolug.pdf
    • https://cdn.shopify.com/s/files/1/0432/1270/1854/files/jifijezetinete.pdf
    • https://cdn.shopify.com/s/files/1/0431/4474/1015/files/aviation_industry_in_nigeria.pdf
    • https://cdn.shopify.com/s/files/1/0429/3961/3347/files/59152968362.pdf
    • https://cdn.shopify.com/s/files/1/0444/3389/9686/files/bugzilla_tool_tutorial.pdf
    • https://cdn.shopify.com/s/files/1/0433/4488/7966/files/conductores_y_aislantes_fisica.pdf
    • https://cdn.shopify.com/s/files/1/0432/8407/0558/files/zomasexibofodudejij.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_off00004a58.bin
9d8baec9456fdc293dea996364cce75e32910dbc96a5f8f582f34ebd69314f75		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A58 5144 bytes
font_01_sfnt_off00005bf0.bin
6f0ac9149adaebe8b78fad598f18979ade9abce2134453f1e973f87098ba4771		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BF0 9640 bytes

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