Malicious PDF — malware analysis report

Static analysis result for SHA-256 dd9cce769cd46897…

MALICIOUS

PDF

41.7 KB Created: 2020-09-17 21:38:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 68fa79689210b9597d3079a98a2c20e7 SHA-1: bc1ca5867f094d72efcce8ee390540f84d79f051 SHA-256: dd9cce769cd4689724bd463313f5271190ab0ede027cfc2ee61cd2e8e0ead7b9
160 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.me'. The document body, though partially corrupted, contains text related to 'Pluto.tv/activate roku code', suggesting a lure. Additionally, a heuristic for a 'Password-protected archive handoff' was triggered, indicating a common technique to bypass gateway security. The presence of numerous embedded links, including a link farm, further supports a malicious intent to redirect users to potentially harmful content.

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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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=pluto.tv%252Factivate+roku+code
    • https://368bf754-7559-4892-9ba7-c59179ea4756.filesusr.com/ugd/5262df_cea6a39700024682af8adada2fcbaf50.pdf?index=true
    • https://47f796ef-a14c-45b7-8904-d5f5468a936b.filesusr.com/ugd/0d018b_7c18077a50764218bad8adf8ecb6ce92.pdf?index=true
    • https://809777c6-c7e8-403a-b3a7-58141f8e5faf.filesusr.com/ugd/0010c8_1c08ef28647f4fc6aef11a93206840c4.pdf?index=true
    • https://ab30a379-9ff2-41f1-9f01-dbaafeea7783.filesusr.com/ugd/fa32a6_faa7647873e64415b375fbe3417cc3d2.pdf?index=true
    • https://13ab8ea1-b38e-42fb-98ab-0d6eed34f266.filesusr.com/ugd/d3758e_0261728c800842d395bbca214f21398a.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0456/4946/1415/files/sublime_3_php_code_formatter.pdf
    • https://cdn.shopify.com/s/files/1/0431/2940/5600/files/69122046364.pdf
    • https://cdn.shopify.com/s/files/1/0440/2947/7014/files/daxadijuliwavexus.pdf
    • https://cdn.shopify.com/s/files/1/0428/2672/7580/files/56680928516.pdf
    • https://33c93ef6-047e-488a-ac44-fe3b47c28444.filesusr.com/ugd/6cabbb_820596ef6b9d499986bd14808ecf46f2.pdf?index=true
    • https://2c4dcff6-4e16-4ae3-b6c8-b8c06be00b06.filesusr.com/ugd/370021_3d6852ce9a95415da87818a420203529.pdf?index=true
    • https://c3f2d38e-1bb1-4bc0-8590-ded47fecb670.filesusr.com/ugd/a382ee_471f9c0f0bfe4129a68a998a1c4beb64.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0427/6636/8935/files/86543903528.pdf
    • https://cdn.shopify.com/s/files/1/0433/6517/1354/files/vorpx_download_link.pdf
    • https://cdn.shopify.com/s/files/1/0435/3412/3160/files/top_creative_brief_template.pdf
    • https://cdn.shopify.com/s/files/1/0437/1313/4743/files/41141009916.pdf
    • https://cdn.shopify.com/s/files/1/0436/9580/0475/files/27128241180.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_off000064da.bin
fddb978681179e56ef15d0d78724facbcfc04130a7324e3e27270d7405340be6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x64DA 4948 bytes
font_01_sfnt_off000075d1.bin
a39b8a960a66aeeed181e238d08ed67916648252f3a9b9eeb327d79de8b86b06		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75D1 10732 bytes

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