Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e75111ca340a496…

MALICIOUS

PDF

48.9 KB Created: 2020-09-08 17:20:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b66d64540ba9e72dfce2d9249600b334 SHA-1: d5cf92b3ab225dd46218b1c5a333fc60260986ee SHA-256: 2e75111ca340a4962f98966c4b46520f2e0ce287a781d3af778f49709240b902
150 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a malicious URL, as indicated by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though partially corrupted, contains the same song title as the malicious URL, suggesting a lure. The ML classifier also strongly flagged this PDF as malicious. The primary attack vector appears to be social engineering via a deceptive link.

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.me/wix?keyword=me+khiladi+tu+anari+song++video
    • https://static.usrfiles.com/ugd/b8c837_546a959a32ee4409940b3e28b5af5737.pdf
    • https://static.usrfiles.com/ugd/585b1d_12427d8197e14ba0bd1c28b99ca20837.pdf
    • https://static.usrfiles.com/ugd/704566_b5a24e3d718e428d967f4baf6e841738.pdf
    • https://static.usrfiles.com/ugd/b8c837_bf72fc765e04470a8f2e65bb3ff3554b.pdf
    • https://cdn.shopify.com/s/files/1/0431/0705/7825/files/47047559009.pdf
    • https://cdn.shopify.com/s/files/1/0435/8435/6507/files/1421746083.pdf
    • https://static.usrfiles.com/ugd/b8c837_7ecafe7353ed4ead9ff7b02385f5eb06.pdf
    • https://static.usrfiles.com/ugd/469aea_e577861f0f5f47e2997d75da2682e15e.pdf
    • https://static.usrfiles.com/ugd/8b4172_4d6fbffc23d24577b3903f43e56e27a5.pdf
    • https://static.usrfiles.com/ugd/5ed537_6c4c4e1178ac44dfabffeaabab39f7f4.pdf
    • https://static.usrfiles.com/ugd/cf5aa9_af6f851d91ce4122b026cf28c3983f0c.pdf
    • https://cdn.shopify.com/s/files/1/0435/3484/4059/files/49234680183.pdf
    • https://cdn.shopify.com/s/files/1/0431/5113/0785/files/sample_budget_template.pdf
    • https://cdn.shopify.com/s/files/1/0437/8768/1943/files/79340003343.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_off00006ce2.bin
c8cf5800a826dd1e5f7994178a17f6eb69f4fc8a42e61cef0876348c61fa471f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6CE2 5216 bytes
font_01_sfnt_off00007eaa.bin
cb37bae81e2ee54f02696dca4dd1552d7f52c8304e76e2f65432d05b05ea57ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7EAA 10104 bytes
font_02_sfnt_off0000a18e.bin
e296a61d2d303e35be9e1a35631556663d2780498efa7e8f3867bf557f172fe6		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA18E 16164 bytes

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