Malicious PDF — malware analysis report

Static analysis result for SHA-256 a2b8d46fa2a05bfe…

MALICIOUS

PDF

81.5 KB Created: 2020-08-25 01:12:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 483b283458dd9bf25ad81b6e4c8dc92e SHA-1: a6c01f90cb7d6b117f7a30a009e6f0375babf470 SHA-256: a2b8d46fa2a05bfecfc842aa5a7ba9671103bd6beec81e7d601a1a2daf96939f
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. Additionally, it exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on 'cdn.shopify.com'. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary intent is to lure the user to a malicious site via the embedded link.

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=android+bottom+sheet+dialog+fragment+fullscreen
    • http://files.belovedessences.com/uploads/1/3/2/8/132816202/simalogenukojev-woluxite-nizamat-vabujupepi.pdf
    • http://files.vcda9.org/uploads/1/3/0/9/130968943/jubiza.pdf
    • http://files.sophiausyd.org/uploads/1/3/0/9/130969494/ratobutuwijubu.pdf
    • https://cdn.shopify.com/s/files/1/0428/7637/1110/files/77861674904.pdf
    • https://cdn.shopify.com/s/files/1/0440/5926/3141/files/sodififakogolonivu.pdf
    • https://cdn.shopify.com/s/files/1/0464/4903/3384/files/nuxiwabitobokab.pdf
    • https://cdn.shopify.com/s/files/1/0434/3152/6561/files/32534928692.pdf
    • https://cdn.shopify.com/s/files/1/0431/3317/3927/files/prosedur_penyusunan_amdal.pdf
    • https://cdn.shopify.com/s/files/1/0433/7149/5574/files/sefipob.pdf
    • https://cdn.shopify.com/s/files/1/0433/8260/3927/files/38844156438.pdf
    • https://cdn.shopify.com/s/files/1/0433/5504/6037/files/93924334390.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e569.bin
7c36ddb18c2521ce12c8883c22e2d605f83dd3933009c67a146f80a8b8990ef2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE569 4172 bytes
font_01_sfnt_off0000f3ea.bin
99b35384948c2e6dc13eb1854c703ea53c0f1e08cc11c86cd171c24e8edc370f		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3EA 5564 bytes
font_02_sfnt_off000106a2.bin
e8f5407625dd7116deb6b7f81da0d76ee4679776c6da8fbac3c41dc7c05bd649		 pdf-font-stream PDF embedded font (sfnt) at offset 0x106A2 15840 bytes

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