Malicious PDF — malware analysis report

Static analysis result for SHA-256 b228e33ef218aa21…

MALICIOUS

PDF

47.1 KB Created: 2020-08-31 04:44:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 625cf122ab0cb738d3e6c7ba0ba7c382 SHA-1: eb2121cafb6d19f02ceffe8b26469d47e266e465 SHA-256: b228e33ef218aa218b6556afd37c0a7db33131a8168293f1d8959fccb0f2d2e0
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wix?keyword=madagascar+3+turkce+dublaj+tek+parca+izle'. This URL is presented within the document body, disguised as a movie streaming link, to entice users to click. The file also exhibits characteristics of a link farm, with numerous embedded URLs, many of which point to benign Shopify domains, likely to obscure the malicious intent. No scripts were extracted from this sample.

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.com/wix?keyword=madagascar+3+turkce+dublaj+tek+parca+izle
    • https://cdn.shopify.com/s/files/1/0431/0397/7634/files/dotubuwelad.pdf
    • https://cdn.shopify.com/s/files/1/0427/8213/0332/files/88686338673.pdf
    • https://cdn.shopify.com/s/files/1/0450/2038/1342/files/english_reading_comprehension_pre_intermediate.pdf
    • https://static.usrfiles.com/ugd/b8c837_6c244571d95a4d5ea1e7cb46890a45f7.pdf
    • https://cdn.shopify.com/s/files/1/0430/5597/2501/files/2123740723.pdf
    • https://cdn.shopify.com/s/files/1/0439/2920/6939/files/13050385430.pdf
    • https://cdn.shopify.com/s/files/1/0427/4746/1788/files/ashokan_farewell_guitar.pdf
    • https://cdn.shopify.com/s/files/1/0433/3964/5093/files/34713444777.pdf
    • https://cdn.shopify.com/s/files/1/0430/9290/2037/files/zoxubewakavetavav.pdf
    • https://cdn.shopify.com/s/files/1/0451/3293/9417/files/65239346265.pdf
    • https://cdn.shopify.com/s/files/1/0462/6645/0074/files/affray_sentencing_guidelines_youth.pdf
    • https://cdn.shopify.com/s/files/1/0428/9550/7622/files/xagotu.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
stream_005_off000093ec.bin
c891c97b9b087cb58c85911144f2ab02aefbcbc31d4a495394fb975202343428		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x93EC 17368 bytes
font_00_sfnt_off00005ac0.bin
14ca03ed1070bf03dec6e17af4e751ca4a88d1623d38905890cfc0d32dce41bc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC0 5740 bytes
font_01_sfnt_off00006e67.bin
2789da4c45820b3fda304ca7e9a83744c41adb319f6cd0732228f3afc595c6a4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E67 11960 bytes

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