Malicious PDF — malware analysis report

Static analysis result for SHA-256 b6f2847029f42e88…

MALICIOUS

PDF

37.0 KB Created: 2020-09-14 03:18:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3f2d6ac69ce7698c0947feedcf398b71 SHA-1: 0e84cdc476e31e5f23b3e6119e41e0d5f6b53a1b SHA-256: b6f2847029f42e88cbe2d3abcf0ad56e882276d366d8e929fe75046829b865d2
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, with one critical heuristic firing indicating a link farm designed to manipulate SEO or redirect users. The primary malicious URL identified is 'https://ttraff.club/wix?keyword=pele+bicycle+kick+photo', which is flagged as a malicious redirector. The document body contains garbled text along with several URLs, reinforcing the nature of the attack. 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.club/wix?keyword=pele+bicycle+kick+photo
    • http://files.ohiowellnessspa.com/uploads/1/3/1/8/131871593/maluluvufi_konigereg_vojutazud_sogoj.pdf
    • http://files.pacificcascadefarms.com/uploads/1/3/0/8/130813063/802649.pdf
    • http://govowa.jodileeart.com/uploads/1/3/1/4/131454207/mejalazapijumuf.pdf
    • https://cdn.shopify.com/s/files/1/0428/9832/5671/files/balupu_movie_songs_doregama.pdf
    • https://cdn.shopify.com/s/files/1/0459/8625/0914/files/bipap_stellar_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/6903/7980/files/mcgraw_hill_answer_key_physical_science.pdf
    • https://cdn.shopify.com/s/files/1/0437/8515/8813/files/88449726126.pdf
    • https://cdn.shopify.com/s/files/1/0436/3455/7088/files/gixadofoxivini.pdf
    • https://cdn.shopify.com/s/files/1/0430/4430/7098/files/xawanezoginoluwaliveg.pdf
    • https://cdn.shopify.com/s/files/1/0437/9181/0717/files/62057948464.pdf
    • https://cdn.shopify.com/s/files/1/0429/1634/8057/files/install_play_store.pdf
    • https://cdn.shopify.com/s/files/1/0447/9824/7078/files/xuvuvasanorumasowixe.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_off000055bd.bin
a57f3824cad2eb63025d8bb13c038fac06563773cb1927f7817372505a242aad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55BD 4844 bytes
font_01_sfnt_off00006641.bin
f124127ab86f4f8cdbfeedc28bfb1f4c0cf7b62ac8b1863dd71687279277b913		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6641 9796 bytes

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