Malicious PDF — malware analysis report

Static analysis result for SHA-256 949a7398b09f8bc3…

MALICIOUS

PDF

51.9 KB Created: 2020-08-05 01:34:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c80df271764729f4de59ff88fef89bf SHA-1: f333e6f40cee79d511d4c9d2f04307823c4de545 SHA-256: 949a7398b09f8bc39c3d270396fb5f754a7fb212b3e7042542346aa8ab6e6c0e
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. One of the embedded URLs, 'https://ttraff.cc/pify?keyword=my+beloved+charioteer+summary+pdf', is flagged as a known malicious redirector. The document body text is largely obfuscated but contains references to the document's title and authoring application, which are not indicative of typical user-facing content.

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=my+beloved+charioteer+summary+pdf
    • http://files.quadslikehalie.net/uploads/1/3/0/8/130874569/pulodubet.pdf
    • http://files.wisdombodyandsoul.com/uploads/1/3/1/6/131637226/dogowad.pdf
    • http://files.amazinggracewestport.com/uploads/1/3/2/3/132302883/04b565.pdf
    • https://cdn.shopify.com/s/files/1/0432/6886/6212/files/xaxibokamidaru.pdf
    • https://cdn.shopify.com/s/files/1/0429/9823/5289/files/refelamewixakumekeli.pdf
    • https://cdn.shopify.com/s/files/1/0434/7484/5858/files/perizia_econometrica.pdf
    • https://cdn.shopify.com/s/files/1/0432/8875/6374/files/sirikefozaxarixunabi.pdf
    • https://cdn.shopify.com/s/files/1/0434/0976/8604/files/faribajakaruzusuzofetufu.pdf
    • https://cdn.shopify.com/s/files/1/0431/7511/6959/files/41681790471.pdf
    • https://cdn.shopify.com/s/files/1/0434/0793/3603/files/39245797214.pdf
    • https://cdn.shopify.com/s/files/1/0430/1009/7313/files/vinovibupamugog.pdf
    • https://cdn.shopify.com/s/files/1/0437/4478/8634/files/81903375508.pdf
    • https://cdn.shopify.com/s/files/1/0428/1381/6995/files/75232414527.pdf
    • https://cdn.shopify.com/s/files/1/0431/2032/8853/files/10164501117.pdf
    • https://cdn.shopify.com/s/files/1/0437/0166/5960/files/falol.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000744c.bin
141f95e400135c6764894b7d691b13ec8566cd33fb1c4f5c315720b675b3fdd2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x744C 5476 bytes
font_01_sfnt_off000086f7.bin
bb379ae892c268bbf6c9e83422b7390de48ba1dfc66b24918a819d52e5c86052		 pdf-font-stream PDF embedded font (sfnt) at offset 0x86F7 14380 bytes
font_02_sfnt_off0000b432.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB432 4324 bytes

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