Malicious PDF — malware analysis report

Static analysis result for SHA-256 812f75df7b312594…

MALICIOUS

PDF

34.2 KB Created: 2020-08-16 18:15:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78806cf390dc5d4181dd2c3de358f931 SHA-1: c2d7e53abd167f23b436bd08a67e954ed0323962 SHA-256: 812f75df7b3125947a8e2fc6afb6c9857a5897d69b03bb2cd6ea8aa68e050c12
120 Risk Score

Malware Insights

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

The PDF contains a significant number of embedded links, with one identified as a known malicious redirector. The heuristic 'PDF_SEO_LINK_FARM' indicates a large number of external PDF links, suggesting a link farm or SEO manipulation tactic. The primary malicious URL identified is https://ttraff.ru/pify?keyword=bugler%2527+s+dream+paul+lavender+pdf, which is likely used to redirect users to malicious 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.ru/pify?keyword=bugler%2527+s+dream+paul+lavender+pdf
    • http://xajijije.girlsjustwanttolovegod.com/uploads/1/3/0/7/130776791/nukavaziwal.pdf
    • http://nerejuf.bpsglobal.org/uploads/1/3/1/1/131163559/wegodevizugofetojevi.pdf
    • http://rupigijet.cafamilyvisitation.com/uploads/1/3/2/6/132682646/4522772.pdf
    • http://files.paradisemex.com/uploads/1/3/2/6/132695994/fifuzo-kewugiwufemep-vekefen.pdf
    • https://cdn.shopify.com/s/files/1/0433/7991/6963/files/wufupubimelaxidolize.pdf
    • https://cdn.shopify.com/s/files/1/0429/4947/6518/files/piripazapuzatexubi.pdf
    • https://cdn.shopify.com/s/files/1/0428/5107/4214/files/51151200031.pdf
    • https://cdn.shopify.com/s/files/1/0427/8734/0454/files/duwegetibix.pdf
    • https://cdn.shopify.com/s/files/1/0430/0675/4970/files/bugegavemeraritumarutikix.pdf
    • https://cdn.shopify.com/s/files/1/0427/4041/6678/files/phat_girlz_cast.pdf
    • https://cdn.shopify.com/s/files/1/0438/9791/3512/files/57570407211.pdf
    • https://cdn.shopify.com/s/files/1/0437/2040/9256/files/ridekopedes.pdf
    • https://cdn.shopify.com/s/files/1/0434/8238/2502/files/60730223684.pdf
    • https://cdn.shopify.com/s/files/1/0435/4870/4920/files/important_days_list.pdf
    • https://cdn.shopify.com/s/files/1/0434/4047/2229/files/67159383458.pdf
    • https://cdn.shopify.com/s/files/1/0431/7757/4562/files/60381087898.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_off000045a0.bin
72bba98858e85dcc0063f14a3287411238612bc88151649abfc1aef0167ea64f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x45A0 5504 bytes
font_01_sfnt_off00005854.bin
af9363a84483ce1bda01a52d9307ff24a52265fd59958a330523bc137d51b80a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5854 10388 bytes

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