Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9bf1c1f8022f063…

MALICIOUS

PDF

42.9 KB Created: 2020-08-22 15:41:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c3e5078ff1ebab48b95273e4c9d358ef SHA-1: dead46cc04aed30ed01e6cba6d26922866a61eca SHA-256: d9bf1c1f8022f0631768b22d4e7b89b1f963d7494eb98f6714c61872b58ef091
150 Risk Score

Malware Insights

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

This PDF document exhibits characteristics of a link farm, embedding a large number of external links, with one identified as a malicious redirector. The primary malicious URL is https://ttraff.com/pify?keyword=honeyguide+mantobeni+lodge. The document's structure and the presence of numerous links suggest an attempt to lure users to potentially harmful destinations, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/pify?keyword=honeyguide+mantobeni+lodge
    • http://files.portageresourceguide.com/uploads/1/3/1/6/131606644/8719065.pdf
    • https://cdn.shopify.com/s/files/1/0449/0631/5943/files/20229315009.pdf
    • https://cdn.shopify.com/s/files/1/0437/1687/0309/files/pibuluxafazazagefolomeg.pdf
    • https://cdn.shopify.com/s/files/1/0428/9436/0735/files/safamajufubidozejura.pdf
    • https://cdn.shopify.com/s/files/1/0435/8481/5259/files/63508438243.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/66656561998.pdf
    • https://cdn.shopify.com/s/files/1/0437/8561/7566/files/rozow.pdf
    • https://cdn.shopify.com/s/files/1/0429/7133/2767/files/pokemon_black_guide.pdf
    • https://cdn.shopify.com/s/files/1/0432/4858/2820/files/74897683644.pdf
    • https://cdn.shopify.com/s/files/1/0431/6741/6488/files/contra_voucher_entry_in_tally_erp_9.pdf
    • https://cdn.shopify.com/s/files/1/0434/7248/6564/files/nemoruxojupalarobenidu.pdf
    • https://cdn.shopify.com/s/files/1/0431/6181/3152/files/hashflare_reinvest_calculator.pdf
    • https://cdn.shopify.com/s/files/1/0427/8901/1612/files/15731904876.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_off00006c01.bin
344aa9ccecf5b51ec670b1093a9844ee93a8d6fc3712c1d31890a6bfe6a511d7		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C01 5072 bytes
font_01_sfnt_off00007d36.bin
49fc562b255d0d5060236a667bd806e8e3e985700ea9ef2582b36391e6b4635a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D36 9976 bytes

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