Malicious PDF — malware analysis report

Static analysis result for SHA-256 daa74ab0c1517ac9…

MALICIOUS

PDF

47.4 KB Created: 2020-08-30 09:17:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b30285cdc638e5769568e5d17597cde0 SHA-1: 0388195447d29cc8c770196de86a67d52ed3148f SHA-256: daa74ab0c1517ac97f5c70168d66c7b27fdd746dc56c510dccc10e2a82442b74
150 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=student+of+the+year+2012+full+movie+hd'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many pointing to Shopify domains. The ML classifier also flagged this PDF with high confidence. The document body, though heavily corrupted, contains the same malicious URL and a reference to 'student of the year 2012 full movie hd', suggesting a lure for potentially pirated content to mask the malicious redirect.

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.ru/wix?keyword=student+of+the+year+2012+full+movie+hd
    • https://cdn.shopify.com/s/files/1/0437/1097/2053/files/analytical_chemistry_methods_and_applications.pdf
    • https://cdn.shopify.com/s/files/1/0428/9455/7347/files/japan_eyewitness_travel_guide.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1149/files/tesujoxekenewak.pdf
    • https://cdn.shopify.com/s/files/1/0432/9940/5979/files/59875502590.pdf
    • https://cdn.shopify.com/s/files/1/0436/8872/2597/files/16536564386.pdf
    • https://cdn.shopify.com/s/files/1/0432/8567/6188/files/81425776285.pdf
    • https://cdn.shopify.com/s/files/1/0430/6108/4314/files/47640103914.pdf
    • https://cdn.shopify.com/s/files/1/0430/5793/8581/files/genaluriguxugomu.pdf
    • https://cdn.shopify.com/s/files/1/0429/5468/6617/files/6874338313.pdf
    • https://cdn.shopify.com/s/files/1/0459/9237/8527/files/kebudejijomefi.pdf
    • https://cdn.shopify.com/s/files/1/0431/0741/8273/files/27872741453.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004899.bin
8f021fd9d680f6fafe5a46ee6f15799dde99ad54a2b4a530b0a4d1760c1de6d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4899 5440 bytes
font_01_sfnt_off00005aef.bin
901d47cd41d5d226dc735410a3b4dee7e20829723f43fa88514f69563e5cf973		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AEF 13248 bytes
font_02_sfnt_off000082b9.bin
e58e8e8d3617fa2f52d62469859eb662c26c1c1537dc21f5cc6f1aa71eaa6aed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82B9 18776 bytes
font_03_sfnt_off0000a020.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA020 4324 bytes

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