Malicious PDF — malware analysis report

Static analysis result for SHA-256 7da288b19337a01f…

MALICIOUS

PDF

36.8 KB Created: 2020-08-19 01:56:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bc150a4a8c605d82c32f7e41bd2b24c SHA-1: e1b8d516ef91effda9cb66d9e0b1ac29b24b4352 SHA-256: 7da288b19337a01f985bec50c2d6d3e10647943c46755da7d5c7fc0229e7d394
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one heuristic identifying it as a PDF SEO link farm. Another heuristic flags a link to a known malicious redirector. The document body contains obfuscated text and URLs, including a link to `ttraff.com`, which is identified as malicious. The presence of numerous links, including a malicious redirector, suggests an attempt to lure users to malicious content or manipulate search results.

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=ubuntu+server+14.+04.+4
    • http://wexazegix.dazeyjayne.com/uploads/1/3/1/4/131409200/jugugo.pdf
    • http://files.nicolagiuliato.com/uploads/1/3/0/7/130738870/eb4564.pdf
    • https://cdn.shopify.com/s/files/1/0427/7937/7830/files/vive_l_alimentation_cetogene.pdf
    • https://cdn.shopify.com/s/files/1/0432/8646/2620/files/mibezegola.pdf
    • https://cdn.shopify.com/s/files/1/0428/8924/8924/files/52464888798.pdf
    • https://cdn.shopify.com/s/files/1/0433/4141/4552/files/notebedatinekuvo.pdf
    • https://cdn.shopify.com/s/files/1/0436/4189/7110/files/steam_download_speed_cap.pdf
    • https://cdn.shopify.com/s/files/1/0427/5883/2294/files/fanubo.pdf
    • https://cdn.shopify.com/s/files/1/0435/1547/8176/files/4924863896.pdf
    • https://cdn.shopify.com/s/files/1/0436/1139/0115/files/10740284878.pdf
    • https://cdn.shopify.com/s/files/1/0446/8460/7641/files/tukitibijunojokifedezu.pdf
    • https://cdn.shopify.com/s/files/1/0431/8658/5749/files/1192480208.pdf
    • https://cdn.shopify.com/s/files/1/0428/2328/6940/files/94664458866.pdf
    • https://cdn.shopify.com/s/files/1/0428/3629/5836/files/16920480488.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_off0000556e.bin
4ee40db5cf77d2f85aafc140e1b4422e0f1976662ba14a17014bee55e32ba008		 pdf-font-stream PDF embedded font (sfnt) at offset 0x556E 4944 bytes
font_01_sfnt_off00006665.bin
fbb129c6154c6039b02b918ec24c399212097f39f18e7fc5a28e130e9b0ae4ee		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6665 9420 bytes

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