Malicious PDF — malware analysis report

Static analysis result for SHA-256 d60411a708829e83…

MALICIOUS

PDF

57.1 KB Created: 2020-08-09 20:39:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4696a97d829baa54ab3dd52311e9a053 SHA-1: 483bd63b65f07b726eb61a4ee6746a995f67d72b SHA-256: d60411a708829e8301f0dc6457daed8c49f1ad4f467caa2276a46f442ed43557
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'https://ttraff.com/pify?keyword=poser+11+tutorial+pdf'. The document body, though heavily obfuscated, contains this URL and other Shopify links, suggesting a link farm or lure. The primary attack pattern involves redirecting the user to malicious infrastructure under the guise of providing a tutorial.

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=poser+11+tutorial+pdf
    • http://files.kasparhauserfestival.net/uploads/1/3/1/3/131379246/menujedave.pdf
    • http://files.paromat.com/uploads/1/3/0/8/130874381/nesirewabag_tozotonunogaxuw_gumoperob.pdf
    • http://files.sourcegifts.net/uploads/1/3/2/6/132695478/9309530.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/nubizasijimowedemo.pdf
    • https://cdn.shopify.com/s/files/1/0428/9455/7351/files/rorixujasek.pdf
    • https://cdn.shopify.com/s/files/1/0431/0496/0661/files/callen_thermodynamics_solutions.pdf
    • https://cdn.shopify.com/s/files/1/0430/2517/0595/files/powupevade.pdf
    • https://cdn.shopify.com/s/files/1/0429/1559/4393/files/20908979285.pdf
    • https://cdn.shopify.com/s/files/1/0431/8694/6206/files/elisabeth_badinter_libros.pdf
    • https://cdn.shopify.com/s/files/1/0430/1763/3949/files/57495486356.pdf
    • https://cdn.shopify.com/s/files/1/0430/9775/1709/files/guvatozojurexibeniwilun.pdf
    • https://cdn.shopify.com/s/files/1/0434/5187/5494/files/29308607962.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9361/files/novulezof.pdf
    • https://cdn.shopify.com/s/files/1/0435/8986/1535/files/lijomo.pdf
    • https://cdn.shopify.com/s/files/1/0432/6768/6556/files/14145736076.pdf
    • https://cdn.shopify.com/s/files/1/0431/8176/8872/files/34123808984.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/xakikalimakimoxe.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_off0000a1c2.bin
5825c9c1c297cfd3dcccdc5b5e54578d771f8f6ac4f0890e727746053359d55e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA1C2 5088 bytes
font_01_sfnt_off0000b325.bin
e7938859daa0ee6a2db7564bff2c3ecf0a3c9e843ae85acf33ffb7d5dba7e7eb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB325 10688 bytes

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