Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf9b2ec5fd7a55b6…

MALICIOUS

PDF

47.5 KB Created: 2020-08-11 09:25:47 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 44ae0b38a86f0bc43698718a3cd92dcd SHA-1: a280c8b6875e56b58dc578be9db23822f44c0cbb SHA-256: cf9b2ec5fd7a55b6e6add7dac64f0bb5df88730131cf0848dcc2c2c99f000537
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many of which point to Shopify domains, but one critical link directs to a known malicious redirector at 'ttraff.ru'. The document body, though heavily obfuscated, contains the text 'Odisha map pdf download in english' and the malicious URL, suggesting a lure to disguise the malicious intent. The presence of a link farm and a malicious redirector indicates an attempt to lead the user to a harmful destination, likely for further exploitation or credential harvesting.

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=odisha+map+pdf+download+in+english
    • http://files.listprogramme.com/uploads/1/3/1/0/131070688/fulax.pdf
    • http://files.jsiglobalinc.com/uploads/1/3/1/4/131437725/4836894.pdf
    • http://zoxol.conniesclassictouch.com/uploads/1/3/0/9/130969059/wabipesavizipiliwar.pdf
    • https://cdn.shopify.com/s/files/1/0430/0262/6202/files/73341213047.pdf
    • https://cdn.shopify.com/s/files/1/0433/1238/2117/files/agatha_christie_libros.pdf
    • https://cdn.shopify.com/s/files/1/0429/7303/6697/files/raxod.pdf
    • https://cdn.shopify.com/s/files/1/0437/8142/3262/files/18236725179.pdf
    • https://cdn.shopify.com/s/files/1/0428/5143/4659/files/xatesirevubusutaxulomam.pdf
    • https://cdn.shopify.com/s/files/1/0431/8163/7794/files/23126052356.pdf
    • https://cdn.shopify.com/s/files/1/0430/7651/8049/files/55953349912.pdf
    • https://cdn.shopify.com/s/files/1/0429/9830/0823/files/selazavasebefukaxo.pdf
    • https://cdn.shopify.com/s/files/1/0429/7247/9647/files/35729920915.pdf
    • https://cdn.shopify.com/s/files/1/0435/1790/3003/files/57497390724.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_off00006dda.bin
2e1b29ef588f9b50d7ac25e18d00dd2b36f9b93ea9d44d9585a86e4852cb9e45		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6DDA 5184 bytes
font_01_sfnt_off00007f72.bin
a68c1b66cf8bc78d171adb5be56c73c01a4ee737021db5419eed4d03b773218c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F72 10260 bytes
font_02_sfnt_off0000a2a6.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2A6 4324 bytes

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