Malicious PDF — malware analysis report

Static analysis result for SHA-256 09e215a7720e3bff…

MALICIOUS

PDF

50.7 KB Created: 2020-08-02 12:44:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47074c2cf4256911a49ee6eb2116c324 SHA-1: cb5b2976d4e6b0d9a9d151b195fff418fdf005ab SHA-256: 09e215a7720e3bff41b0e39de788e74fd6e56e367008edc9de3232c58cda4ac7
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links, including one identified as a malicious redirector pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text related to 'John Wick 2' and a URL, suggesting a lure to trick users into clicking malicious links. The presence of many PDF links also indicates a link farm, likely for SEO poisoning or distributing malware.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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.
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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=john+wick+2+1080p
    • http://files.rascalmartinez.com/uploads/1/3/2/6/132695278/2982038.pdf
    • http://files.rosarionolan.com/uploads/1/3/0/7/130776521/kekek_xonotaxofafiga_polaxof.pdf
    • http://files.aimeesrabbitry.com/uploads/1/3/1/1/131163635/4ca878.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://cdn.shopify.com/s/files/1/0432/8292/3676/files/30169472107.pdf
    • https://cdn.shopify.com/s/files/1/0435/9035/3051/files/tovanimiwiripax.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kiwovanigefuminif.pdf
    • https://cdn.shopify.com/s/files/1/0437/2401/3722/files/28261333129.pdf
    • https://cdn.shopify.com/s/files/1/0428/6454/1852/files/41625942669.pdf
    • https://cdn.shopify.com/s/files/1/0433/2666/8952/files/resupapisekijuduj.pdf
    • https://cdn.shopify.com/s/files/1/0432/8056/4392/files/noduronasava.pdf
    • https://cdn.shopify.com/s/files/1/0438/4364/9698/files/mavuxiriral.pdf
    • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/experience_letter_format.pdf
    • https://cdn.shopify.com/s/files/1/0438/5269/3654/files/77798648041.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/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00008b06.bin
9ddfa9a0a48c93f110d985b2914d2ee5fdd7e68df13db5fbe404d0144b73cb8e
pdf-font-stream PDF embedded font (sfnt) at offset 0x8B06 5168 bytes
font_01_sfnt_off00009cc4.bin
13aaefbd72350d6415341e215ea8eb7b78342fc73e98eeb751c86b496d591147
pdf-font-stream PDF embedded font (sfnt) at offset 0x9CC4 9780 bytes