Malicious PDF — malware analysis report

Static analysis result for SHA-256 cbdecb567d6fa5db…

MALICIOUS

PDF

47.4 KB Created: 2020-08-30 06:09:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a77318ff1e7cbb857a8a1c35ac5f8607 SHA-1: 4ae6662a57e67099c4db83a9debf3fecec54079a SHA-256: cbdecb567d6fa5db07e9876c01023177efaedac5c4ec1ddb582891a5bc18c479
150 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'ttraff.cc'. The document body, though heavily obfuscated, also contains this URL and numerous other links hosted on Shopify, likely part of a link farm to improve SEO for malicious content. The primary intent appears to be redirecting the user to a malicious site, potentially for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/wix?keyword=professional+fixer+travel
    • https://cdn.shopify.com/s/files/1/0437/0418/9096/files/48983472989.pdf
    • https://cdn.shopify.com/s/files/1/0432/6768/6558/files/wordly_wise_3000_book_8_answer_key_download.pdf
    • https://cdn.shopify.com/s/files/1/0428/2220/5607/files/sajogufogikanupobavupib.pdf
    • https://cdn.shopify.com/s/files/1/0427/8878/2236/files/lexujexaj.pdf
    • https://static.usrfiles.com/ugd/b8c837_c69bc9f6b1d746459ab5fe9d771c4fa2.pdf
    • https://static.usrfiles.com/ugd/bd5c68_d668cb7a572c4c4c9d9de50580871760.pdf
    • https://static.usrfiles.com/ugd/b8c837_2699747050b748e7ad80b161806cd366.pdf
    • https://static.usrfiles.com/ugd/857e61_8b3403446911439885617b05f3a8c68b.pdf
    • https://static.usrfiles.com/ugd/b8c837_4a851a74a53b45f8a8fd7740b32aac76.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/luzugojozawok.pdf
    • https://cdn.shopify.com/s/files/1/0429/0245/4428/files/xofiwodamimapof.pdf
    • https://cdn.shopify.com/s/files/1/0431/3061/8011/files/baal_veer_1101.pdf
    • https://cdn.shopify.com/s/files/1/0433/9990/5429/files/rizapezaketasuzizirov.pdf
    • https://cdn.shopify.com/s/files/1/0441/1306/8184/files/66174422272.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_off00006f39.bin
b58d8ef65866509e1812a575acf3313a43f7b997ad0ada17a8deb328921582ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6F39 4676 bytes
font_01_sfnt_off00007f21.bin
6bfe2ab90c5a6fca745d1c4ec9c9f28b8138a5a9d5293e851307eb41b05d9fa2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F21 10284 bytes
font_02_sfnt_off0000a24d.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA24D 4324 bytes

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