Malicious PDF — malware analysis report

Static analysis result for SHA-256 bdcf78a637d5fbd7…

MALICIOUS

PDF

35.3 KB Created: 2020-08-29 12:28:02 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8830a921e7b0f49af6460e0ce6470252 SHA-1: f6c969c27f348ae30224019f5e63f5e3c19c5574 SHA-256: bdcf78a637d5fbd720669a8632cbb18766fc467769d3b30e681d76ff9309d516
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one heuristic identifying it as a malicious redirector. The document body, though heavily obfuscated, contains text related to a 'Honeywell eclipse manual' and a URL that appears to be a lure. This suggests the document is designed to trick users into visiting a malicious site by posing as a relevant document.

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=honeywell+eclipse+manual
    • https://static.usrfiles.com/ugd/b8c837_5167c9114e9049b4a8e69f9a70e1bfdd.pdf
    • https://static.usrfiles.com/ugd/704566_93c16f5525f24ed6b8b7577498668f31.pdf
    • https://static.usrfiles.com/ugd/b8c837_e9030ce3d0a24487bfa3df5b395c9017.pdf
    • https://static.usrfiles.com/ugd/b8c837_bf6ea8a1fd804504a51d01480eb742b9.pdf
    • https://static.usrfiles.com/ugd/b8c837_93da3cb89b6c4814bb77bcdea6145e8d.pdf
    • https://static.usrfiles.com/ugd/b7082a_6863aaa30a0240dd9847b5e08c157b59.pdf
    • https://static.usrfiles.com/ugd/b8c837_d2a53d74d6314b2a846eda4372a4e479.pdf
    • https://static.usrfiles.com/ugd/b8c837_d94c90fab25c4b93a51610943e2d2fdb.pdf
    • https://static.usrfiles.com/ugd/b8c837_c190173c940b48559d2cda89728aa1a2.pdf
    • https://cdn.shopify.com/s/files/1/0434/1887/8117/files/vsepr_worksheet_15_answers.pdf
    • https://cdn.shopify.com/s/files/1/0430/3713/0914/files/55741762388.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_off00004bcc.bin
adc8f68173899755043f84e46c8072b81025e7b84840bae5d64b08111bb81e5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4BCC 5140 bytes
font_01_sfnt_off00005d4a.bin
b70414df369ec9d506820ff97c0ff1a6894b2c0caaac4eb82a1db795fef0c2e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D4A 10480 bytes

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