Malicious PDF — malware analysis report

Static analysis result for SHA-256 afe982313e3f31d8…

MALICIOUS

PDF

42.9 KB Created: 2020-08-24 15:02:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 877d59f8d9a6559e0ba43bd15e3cc472 SHA-1: 07b3c3c2a90228211be0af42e8c7d41b50c312c9 SHA-256: afe982313e3f31d8d9c36d8127ca6891c054d3ca7beef725e313f6da033dfedd
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a malicious redirector link. The embedded URL points to 'ttraff.com', which is known for redirecting to malicious sites. The document body, though heavily obfuscated, contains the same URL, reinforcing the malicious intent. The primary goal appears to be directing the user to a malicious site via the embedded link.

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/pify?keyword=puffin+browser+pc+gratis
    • http://files.bortscincin.com/uploads/1/3/0/7/130739212/rijivubatum-wokofitekodarek-saberosi-disupokezisote.pdf
    • http://files.aspccc.com/uploads/1/3/2/6/132682295/75940.pdf
    • https://cdn.shopify.com/s/files/1/0448/6758/4162/files/lerelasilanenigusalobe.pdf
    • https://cdn.shopify.com/s/files/1/0463/2536/6945/files/26069892194.pdf
    • https://cdn.shopify.com/s/files/1/0433/3957/9546/files/radical_planning_theory.pdf
    • https://cdn.shopify.com/s/files/1/0432/0998/2107/files/tupowijijapiwor.pdf
    • https://cdn.shopify.com/s/files/1/0434/1966/4540/files/810600078.pdf
    • https://cdn.shopify.com/s/files/1/0428/1411/1903/files/43158514864.pdf
    • https://cdn.shopify.com/s/files/1/0438/4551/7469/files/72625386194.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_off00005a5f.bin
3272fcbdffc210c179c167974cce86f24f2e8e3938eef7a646557650aa74893d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A5F 5268 bytes
font_01_sfnt_off00006c5c.bin
4cffc95d761acb696d90052744c23e0f70f222a2a989cb92b381272f16f2e100		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C5C 11348 bytes
font_02_sfnt_off0000913e.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x913E 4324 bytes

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