Malicious PDF — malware analysis report

Static analysis result for SHA-256 46510bb4f83d9bd6…

MALICIOUS

PDF

42.5 KB Created: 2020-09-01 03:36:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8d5e8356b6cf70c6c82722460046dd31 SHA-1: 39989324a63b6daba102c6bc12f6a7a210a912e2 SHA-256: 46510bb4f83d9bd629c6b492e1f1c05c6598bbf2960653d0195f9d2d10f485a7
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious Link T1566.002 Spearphishing Attachment T1027 Obfuscated Files or Information

The PDF contains a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=autocad+2016+crack+free++64+bit', which is designed to lure users into downloading cracked software. It also includes a large number of external PDF links, likely for SEO manipulation, and instructs the user to disable security software. No scripts were extracted from this sample.

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.
  • Security software disable instruction high SE_SECURITY_BYPASS
    Document instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
  • 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=autocad+2016+crack+free++64+bit
    • https://static.usrfiles.com/ugd/a76634_4a7a45b5569c432ca5eb524357f5a71e.pdf
    • https://static.usrfiles.com/ugd/b8c837_29ffe30b108647d0a3a8c20d0ba16e14.pdf
    • https://static.usrfiles.com/ugd/f09a9d_91a2a233a7e4463db11b9c77e9d49aeb.pdf
    • https://static.usrfiles.com/ugd/b8c837_36d5bb7b602e4182b67b03335d90b34f.pdf
    • https://static.usrfiles.com/ugd/769f78_0966da7eb4bb4a83a525eea645a005cf.pdf
    • https://static.usrfiles.com/ugd/b8c837_61e9ac62fda44b49bbb4f0c32d5f05b1.pdf
    • https://static.usrfiles.com/ugd/b8c837_7f101c8895c3488fb6efeae3b08f62b0.pdf
    • https://cdn.shopify.com/s/files/1/0428/7689/5388/files/zavepit.pdf
    • https://cdn.shopify.com/s/files/1/0431/3972/7509/files/3101878276.pdf
    • https://cdn.shopify.com/s/files/1/0434/4774/6726/files/41311130812.pdf
    • https://cdn.shopify.com/s/files/1/0437/4023/3880/files/92914420439.pdf
    • https://cdn.shopify.com/s/files/1/0434/8110/4541/files/90262628929.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_off000063d0.bin
725d18ff9ba960a6d936e112b63a2cfe11be177ec41a8d6efebbc1f14e643a26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x63D0 5568 bytes
font_01_sfnt_off000076df.bin
32c5db8668ded9b8aa68c352df991f57d0f6b6d34db6a35f9ef7ff9470368949		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76DF 11600 bytes

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