Malicious PDF — malware analysis report

Static analysis result for SHA-256 2175072f66fb36e1…

MALICIOUS

PDF

46.3 KB Created: 2020-08-23 19:44:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f27e6ad6afff674816858b7f5f45040 SHA-1: a6cc399005ab84538671fb9134be85f41d9aea83 SHA-256: 2175072f66fb36e158bd483e48cf00ef6666900f25206e3eb8693c5fc9b97dbf
120 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, containing numerous external links. One of these links, 'https://ttraff.com/pify?keyword=arkit+android+example', is identified as a malicious redirector. The presence of a large number of links, many pointing to Shopify domains, suggests an attempt to manipulate search engine results or distribute malicious content through a network of linked documents.

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.com/pify?keyword=arkit+android+example
    • http://files.livingjustforhisglory.com/uploads/1/3/1/4/131407388/570420.pdf
    • http://files.applestar.org/uploads/1/3/0/7/130739212/sajinap_wavakoxukozo.pdf
    • http://guzew.feel-flamenco.com/uploads/1/3/1/6/131606000/rovedubuz.pdf
    • https://cdn.shopify.com/s/files/1/0428/7974/6201/files/46280925076.pdf
    • https://cdn.shopify.com/s/files/1/0434/8618/3576/files/84155492911.pdf
    • https://cdn.shopify.com/s/files/1/0434/2795/4853/files/export_path_path.pdf
    • https://cdn.shopify.com/s/files/1/0433/0638/5576/files/afire_love_piano.pdf
    • https://cdn.shopify.com/s/files/1/0434/3853/8904/files/47001081468.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/bewewolifokolugetu.pdf
    • https://cdn.shopify.com/s/files/1/0464/4903/3384/files/momentum_equation_in_integral_form.pdf
    • https://cdn.shopify.com/s/files/1/0435/7835/9967/files/glencoe_french_1_bienvenue.pdf
    • https://cdn.shopify.com/s/files/1/0438/4607/4525/files/13042217759.pdf
    • https://cdn.shopify.com/s/files/1/0428/6640/9638/files/vosel.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_off0000763c.bin
2c55859d2b846924d76156274a080eb447bb73373b288c4233f5c67ff4a599e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x763C 5048 bytes
font_01_sfnt_off00008750.bin
d68e03d5615d9030c0f3d162d8911af4e1d752927bc174fd6de586f64b3aca36		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8750 11036 bytes

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