Malicious PDF — malware analysis report

Static analysis result for SHA-256 4dbef2a35af9edf7…

MALICIOUS

PDF

41.4 KB Created: 2020-08-30 02:57:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6542e373fdb3fb245ecf66aa817643e6 SHA-1: c6bcf10c503b5b4f3aa0ff5f2338e4a926be5fbf SHA-256: 4dbef2a35af9edf7c8caa231056954325270e5f93e9f95839b711149c73c940e
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link to 'https://ttraff.com/wix?keyword=no+te+enganches+pdf'. The document body, though heavily obfuscated, also contains this URL, suggesting it is the primary lure. The file's purpose is to redirect users to this malicious site, likely for phishing or to download further malware. No scripts were extracted, limiting the analysis of specific execution techniques.

Heuristics 2

  • 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.
  • 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=no+te+enganches+pdf
    • https://static.usrfiles.com/ugd/b8c837_25e5364966a24a79aedad58f0850a1e0.pdf
    • https://static.usrfiles.com/ugd/b8c837_aabc427c43f2495bb4eb577199b2d6a7.pdf
    • https://static.usrfiles.com/ugd/ade4e6_de07b3de755d4274a752b95adeaa0dcc.pdf
    • https://cdn.shopify.com/s/files/1/0430/3123/2674/files/mazotafev.pdf
    • https://cdn.shopify.com/s/files/1/0437/1798/4410/files/jizewomibewat.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/7218161301.pdf
    • https://static.usrfiles.com/ugd/bb13a2_26ca72eb6efb482eb4b1c737fca9107c.pdf
    • https://static.usrfiles.com/ugd/b8c837_5849e1fc3eb24e5c8dc7a639d01e8667.pdf
    • https://static.usrfiles.com/ugd/8b2c09_fc90859ed7054585be12945ff5d27d85.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_off000061ca.bin
01eb84d2987549f4fa0a8822b953c4b8f9c44a5c4506db82462f53ae978d7d9b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61CA 5260 bytes
font_01_sfnt_off000073b0.bin
bc8f6903ac6bc019c59d6b7f33643163e2e9532330f8d6030d1020ae3130fe00		 pdf-font-stream PDF embedded font (sfnt) at offset 0x73B0 11260 bytes

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