Malicious PDF — malware analysis report

Static analysis result for SHA-256 f9e5d00e1b367043…

MALICIOUS

PDF

45.5 KB Created: 2020-08-30 04:53:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ffc1249ce28d27ca13bf15e7bedbbf6d SHA-1: 394d58cbbb6594591d656890f98697f4c5b57baf SHA-256: f9e5d00e1b367043cf41ac8bbef79153d01836271496c72e72c20e593dadae12
128 Risk Score

Malware Insights

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

The PDF contains a malicious redirector link pointing to ttraff.com, which is associated with a keyword search for game cheats. The document also exhibits characteristics of a link farm, with numerous embedded URLs, and includes a visual call-to-action button. This suggests a social engineering attempt to trick the user into clicking the malicious link, likely leading to a phishing page or malware download.

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/wix?keyword=hungry+shark+world+android+oyun+club+hile
    • https://static.usrfiles.com/ugd/166c09_6fabe6ab8d6543a189f7ee7b3a6e4c84.pdf
    • https://static.usrfiles.com/ugd/b8c837_edbf9d3e982a4cc5be79995981a2a573.pdf
    • https://static.usrfiles.com/ugd/b8c837_ad78fa24dd2d46dcaa99271bdc585643.pdf
    • https://static.usrfiles.com/ugd/b8c837_91255e0a591e4339ba77e9888eafc0e5.pdf
    • https://static.usrfiles.com/ugd/eaf48f_66f4e8fa737a4fb6a5f25700fe77b22e.pdf
    • https://static.usrfiles.com/ugd/b8c837_6fbb7c673101445893d7852fea85c092.pdf
    • https://cdn.shopify.com/s/files/1/0428/2161/5775/files/sewekigew.pdf
    • https://cdn.shopify.com/s/files/1/0441/4596/7256/files/83885395014.pdf
    • https://cdn.shopify.com/s/files/1/0434/1530/6405/files/90454876122.pdf
    • https://static.usrfiles.com/ugd/b8c837_b7f9bc1413d04aef8ab891cf1287473d.pdf
    • https://static.usrfiles.com/ugd/b8c837_e77ac6e23bbe420dbf74ac012ce76e96.pdf
    • https://static.usrfiles.com/ugd/345929_705d83ca38104ffa9a4680f28507360a.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_off00005d46.bin
ab0627f5c7f27b66d938c7bb4f4c6d342540dc7ebe5682c0e1a2d4d91b5467b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D46 5560 bytes
font_01_sfnt_off0000702a.bin
97d85d444e5e04bbd928a16b4931455f9a35354bac94512f1353e9876bb004c6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x702A 9808 bytes
font_02_sfnt_off000091fc.bin
25da4d0259edcb98e59a4fe79427651a73902f0cb209792fc7f5803c2d85b23e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91FC 16616 bytes

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