Malicious PDF — malware analysis report

Static analysis result for SHA-256 38a36e9e25c01ce4…

MALICIOUS

PDF

42.8 KB Created: 2020-08-31 11:39:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4afadc08f0003f237926c19496cf16c3 SHA-1: fed168bae67b87d8db0d9461c1da7a349e222546 SHA-256: 38a36e9e25c01ce44310d8f6dfed7ebc8f4a197e85b0f1799f972fb7a9fa259f
60 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially garbled, contains text that appears to be a title related to 'unwanted behavior change plan' and the malicious URL. This suggests a social engineering lure to direct the user to a malicious site.

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.cc/wix?keyword=istenmeyen+davran%25C4%25B1%25C5%259F+de%25C4%259Fi%25C5%259Ftirme+plan%25C4%25B1+%25C3%25B6rne%25C4%259Fi
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/kifunotubag.pdf
    • https://cdn.shopify.com/s/files/1/0432/1312/7844/files/tujowiposoja.pdf
    • https://cdn.shopify.com/s/files/1/0432/7361/7576/files/wasiwebo.pdf
    • https://static.usrfiles.com/ugd/4e6dd5_b60ba477e1964f47a198777587b1db39.pdf
    • https://static.usrfiles.com/ugd/c1615c_43a75efe2610456e8ac53f8cbfce1a36.pdf
    • https://cdn.shopify.com/s/files/1/0429/2893/0979/files/29519674175.pdf
    • https://cdn.shopify.com/s/files/1/0429/5180/3039/files/asphalt_8_java_game_128x160.pdf
    • https://cdn.shopify.com/s/files/1/0430/5669/3397/files/antibiotics_safe_in_pregnancy_and_lactation.pdf
    • https://cdn.shopify.com/s/files/1/0433/9197/5580/files/tuwefirozeribuxeweziviret.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_off0000660a.bin
d7619e23d261fdc665584c1bcbd8e79007d5e18e326cf8e625b2f419898c4687		 pdf-font-stream PDF embedded font (sfnt) at offset 0x660A 5852 bytes
font_01_sfnt_off00007920.bin
de0cf0fb9e1af921310f0b82684a070323022cf3e41a0f599f1a65e3ebe164e6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7920 11516 bytes

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