Malicious PDF — malware analysis report

Static analysis result for SHA-256 97a5439b6c66117c…

MALICIOUS

PDF

37.4 KB Created: 2020-08-08 16:28:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4f57d34e92a7449f80951e3c6f4a5b0c SHA-1: 5f196771bbdbfc3f8cba1ecbff922b412629b60f SHA-256: 97a5439b6c66117c1a4a6294edc62b536a7a529f4ab5fa2e14d9fd58682d4c2f
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, specifically pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains the same URL. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many hosted on Shopify. The primary malicious URL is designed to redirect users to potentially harmful 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.com/pify?keyword=caballo+de+troya+9+pdf
    • http://files.soleorganizer.com/uploads/1/3/0/7/130776276/gifewo-lesefafevizanur-vitimubopuwiwud-debogitus.pdf
    • http://files.amanaefob.com/uploads/1/3/1/1/131164157/gizuluzebate.pdf
    • http://rebaf.uublaine.org/uploads/1/3/0/9/130969465/vulazumus.pdf
    • https://cdn.shopify.com/s/files/1/0427/4287/4278/files/gededuruniseserivuxutato.pdf
    • https://cdn.shopify.com/s/files/1/0433/1818/2041/files/kirabowaramokaduweraxefe.pdf
    • https://cdn.shopify.com/s/files/1/0434/4931/9577/files/effective_oral_and_written_communication.pdf
    • https://cdn.shopify.com/s/files/1/0432/7987/6252/files/magabad.pdf
    • https://cdn.shopify.com/s/files/1/0432/3459/0888/files/fikujodipezatilinawo.pdf
    • https://cdn.shopify.com/s/files/1/0429/8126/1466/files/kadejejat.pdf
    • https://cdn.shopify.com/s/files/1/0427/9674/4871/files/bedikizalopa.pdf
    • https://cdn.shopify.com/s/files/1/0431/8570/1019/files/boxexinatovemudupizoreku.pdf
    • https://cdn.shopify.com/s/files/1/0439/1141/3915/files/xexig.pdf
    • https://cdn.shopify.com/s/files/1/0440/6345/7432/files/bakugijitebu.pdf
    • https://cdn.shopify.com/s/files/1/0431/1659/3312/files/nipuzifijujaso.pdf
    • https://cdn.shopify.com/s/files/1/0432/7964/6878/files/breaking_dawn_part_1_download.pdf
    • https://cdn.shopify.com/s/files/1/0434/4987/6630/files/27904495257.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_off00005154.bin
6b37929d47016e716c6eceda6c9c1ce50edca4c88a00b801cdd432903dade1c7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5154 5160 bytes
font_01_sfnt_off000062ea.bin
ce14ee46d83de1fcefaa3de150debd87326071226fa7afeeee8c8988612361a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x62EA 11276 bytes

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