Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0ed214c9a9ba9e5…

MALICIOUS

PDF

38.9 KB Created: 2020-08-30 14:39:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1c11b9181514b807464f26769925be59 SHA-1: 579d6eb0f21ecefbaf87be42d78bc66664769d07 SHA-256: d0ed214c9a9ba9e50d32dee21faa3d8fdbabf8c89b184fff6a7dbe868dc960fc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link T1059.001 PowerShell

The PDF file contains a mass external link farm, with one primary malicious redirector URL. The document body, though heavily obfuscated, contains text related to 'Minecraft cars mod 1.7 10' and the malicious URL, suggesting a lure to trick users into clicking the link. The 'SE_CLICKFIX' heuristic indicates the document may also instruct users to execute commands directly, bypassing macro restrictions.

Heuristics 4

  • 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.
  • ClickFix social engineering attack high SE_CLICKFIX
    Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
  • 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.ru/wix?keyword=minecraft+cars+mod+1.7+10
    • https://cdn.shopify.com/s/files/1/0432/5870/8118/files/98132305669.pdf
    • https://cdn.shopify.com/s/files/1/0433/2804/5209/files/alesis_quadraverb_manual.pdf
    • https://cdn.shopify.com/s/files/1/0436/6820/9814/files/maths_questions_for_class_7.pdf
    • https://cdn.shopify.com/s/files/1/0431/5978/1538/files/60039621733.pdf
    • https://static.usrfiles.com/ugd/b8c837_857fd19f984e4c0fa702c7e3211b0246.pdf
    • https://static.usrfiles.com/ugd/d54300_5be8b7633bda410d89639899139dde43.pdf
    • https://static.usrfiles.com/ugd/b8c837_ce64934b18b9454eb1cd4b0ec1c38508.pdf
    • https://static.usrfiles.com/ugd/b8c837_b54a9d3abc9d49a990bfec7a8d823e08.pdf
    • https://cdn.shopify.com/s/files/1/0448/3540/5986/files/16473252108.pdf
    • https://cdn.shopify.com/s/files/1/0439/8333/9678/files/blended_learning_2020.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_off00005982.bin
cb1b833c7569b3a73a3f37afb9730f62a79a87af95f5b820c4a24065fcd35288		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5982 5444 bytes
font_01_sfnt_off00006bfe.bin
eca93b9a435fe098124aca7fb2087a50b9c0ffa2abeba1b662bc21352a0c3daf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6BFE 10336 bytes

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