Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9fa6a36e3c15e3a…

MALICIOUS

PDF

43.2 KB Created: 2020-08-25 03:18:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c1f5a8cbe4cd6c2f107c2846a6d4800a SHA-1: e2c350f6520bd370a0a005e0755ea192a0bb6027 SHA-256: d9fa6a36e3c15e3aac65dbc838e3c5f31b731ba314d962b5f9d078e8e3423992
150 Risk Score

Malware Insights

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

The PDF contains a mass external link farm, with a primary malicious redirector URL embedded in the document body. The heuristic firings indicate the PDF is designed to redirect users to malicious infrastructure, likely for SEO poisoning or phishing. The document body itself contains a deceptive title and the malicious URL, reinforcing the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=change+gurneet+dosanjh+full+video+song
    • http://renaf.brantfordminorsoftball.ca/uploads/1/3/1/4/131438572/xewez-mesurasiwafej-sokewakido-fuwevuj.pdf
    • http://files.bethelbaptistjamestown.org/uploads/1/3/1/4/131437689/mivumotetafotur.pdf
    • http://simigina.solentfaa.co.uk/uploads/1/3/1/3/131398140/fewujelerukire.pdf
    • https://cdn.shopify.com/s/files/1/0435/2652/0987/files/advanced_life_support_erc_guidelines_2020.pdf
    • https://cdn.shopify.com/s/files/1/0428/2236/9446/files/vuwonudizilajigotow.pdf
    • https://cdn.shopify.com/s/files/1/0432/6073/9752/files/66577498920.pdf
    • https://cdn.shopify.com/s/files/1/0430/2995/4721/files/98912509783.pdf
    • https://cdn.shopify.com/s/files/1/0432/0352/6820/files/elegoo_mega_2560_the_most_complete_starter_kit.pdf
    • https://cdn.shopify.com/s/files/1/0435/9690/6659/files/bauhaus_school_of_architecture.pdf
    • https://cdn.shopify.com/s/files/1/0431/8606/1480/files/vixatafoz.pdf
    • https://cdn.shopify.com/s/files/1/0430/0010/3073/files/ardaas_punjabi_movie_mp4.pdf
    • https://cdn.shopify.com/s/files/1/0432/2826/6654/files/42201600967.pdf
    • https://cdn.shopify.com/s/files/1/0438/8945/9368/files/label_plant_cell_parts_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0440/2426/6917/files/warhammer_40k_codex_space_wolves.pdf
    • https://cdn.shopify.com/s/files/1/0435/3749/8271/files/muvekoriposamifud.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/
    • https://cdn.shopify.com/s/files/1/0430/0010/3073/files/ard

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000053e4.bin
58146f563b2f2eb50dc8a38f106aa44f46fadc2f4c65006c52654b446c89174f
pdf-font-stream PDF embedded font (sfnt) at offset 0x53E4 5208 bytes
font_01_sfnt_off0000659e.bin
9ef0afbe14a23e431b33f2dc6bae4c760e6264108d9fb642407148442f014254
pdf-font-stream PDF embedded font (sfnt) at offset 0x659E 2300 bytes
font_02_sfnt_off00006fb7.bin
27213b5d860fa439637f527e7d696c225ba312990ca07a034f4239ac1f1654e3
pdf-font-stream PDF embedded font (sfnt) at offset 0x6FB7 14176 bytes