Malicious PDF — malware analysis report

Static analysis result for SHA-256 9212f81a41e1222c…

MALICIOUS

PDF

41.3 KB Created: 2020-08-13 19:10:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 86dbcad7335fa6b2fc16d8ad98b77d34 SHA-1: ca285f0ad7f4070d16a3e9206d6a773002db67a0 SHA-256: 9212f81a41e1222cf441cce033a8c12a50934435313587f5066d3cb26146f348
120 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.cc, which is likely used to funnel victims to further malicious content. The document body, though heavily obfuscated, contains references to the same URL and a large number of other URLs, many hosted on Shopify, suggesting a link farm or SEO poisoning tactic. The primary malicious URL is https://ttraff.cc/wb?keyword=how%20to%20develop%20english%20speaking%20pdf, which is likely the initial lure.

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/wb?keyword=how%20to%20develop%20english%20speaking%20pdf
    • http://files.fineartsacademybelmont.com/uploads/1/3/1/8/131856200/66d7c124f6.pdf
    • http://sesaxak.waynerichards.org/uploads/1/3/1/3/131397971/7858638.pdf
    • http://files.lcanavigators.org/uploads/1/3/0/7/130776536/9804736.pdf
    • https://cdn.shopify.com/s/files/1/0434/7514/0761/files/ashampoo_free_opinie.pdf
    • https://cdn.shopify.com/s/files/1/0431/4041/5644/files/vufitufuburosavarudikod.pdf
    • https://cdn.shopify.com/s/files/1/0439/3808/7070/files/pumunerawexikoli.pdf
    • https://cdn.shopify.com/s/files/1/0431/5987/9841/files/62265307179.pdf
    • https://cdn.shopify.com/s/files/1/0435/6312/2843/files/zumevejikamabamenuniva.pdf
    • https://cdn.shopify.com/s/files/1/0427/7056/3239/files/39791404488.pdf
    • https://cdn.shopify.com/s/files/1/0437/8794/4094/files/gigojadudosomilomi.pdf
    • https://cdn.shopify.com/s/files/1/0437/6831/6055/files/99216329595.pdf
    • https://cdn.shopify.com/s/files/1/0427/8488/2844/files/mofovarex.pdf
    • https://cdn.shopify.com/s/files/1/0435/3087/9125/files/carian_cole_torn.pdf
    • https://cdn.shopify.com/s/files/1/0429/5114/7679/files/91477422500.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_off00005fa1.bin
af1ef33d384e6b6a6fc27ee640ca12a351562707c35cfd4096bc1a5bd51edc66		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA1 5384 bytes
font_01_sfnt_off0000720e.bin
92a00e4cac6708b028c6f85e9a3430324af06611bb8a6a201886750d921153f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x720E 10848 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.