Malicious PDF — malware analysis report

Static analysis result for SHA-256 a6ea53824faf1cf6…

MALICIOUS

PDF

37.6 KB Created: 2020-08-25 14:20:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 87191cd781a48e62bed59a312d321796 SHA-1: 19928c0644a8964c7a0a6e4650e047a16ed92f6c SHA-256: a6ea53824faf1cf601583a3edb6b01ae141b4e8837812f87d531503e58a48f8c
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is disguised as a "Beats wireless earbuds owners manual". The document also exhibits characteristics of a link farm, with numerous embedded links pointing to external PDFs, many hosted on Shopify. The primary malicious link is designed to redirect the user to potentially harmful content.

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.cc/pify?keyword=beats+wireless+earbuds+owners+manual
    • http://nolupikut.michaelmackinomara.com/uploads/1/3/2/7/132740763/3ae4d144989ee.pdf
    • http://xoguvex.menallenfriends.org/uploads/1/3/1/4/131482993/1049016.pdf
    • http://kilibix.ebswift.com/uploads/1/3/1/3/131383407/6482146.pdf
    • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/pusolimumis.pdf
    • https://cdn.shopify.com/s/files/1/0460/7141/4948/files/project_director_job_description_template.pdf
    • https://cdn.shopify.com/s/files/1/0430/2526/8889/files/29911577388.pdf
    • https://cdn.shopify.com/s/files/1/0428/3580/4319/files/siposajumonamobaguwefaso.pdf
    • https://cdn.shopify.com/s/files/1/0431/9569/5265/files/mazidajokopo.pdf
    • https://cdn.shopify.com/s/files/1/0432/8924/7894/files/music_conducting_lessons.pdf
    • https://cdn.shopify.com/s/files/1/0433/0743/4142/files/55686146136.pdf
    • https://cdn.shopify.com/s/files/1/0434/5892/0605/files/pukupaxeza.pdf
    • https://cdn.shopify.com/s/files/1/0429/0707/4719/files/ksp_cpc_key_answer.pdf
    • https://cdn.shopify.com/s/files/1/0432/5471/0427/files/54341321224.pdf
    • https://cdn.shopify.com/s/files/1/0433/3872/7589/files/zebapafisojapanorozazogos.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
font_00_sfnt_off00004a21.bin
f18cc22d362d50dd7c3241bd8e83e587accdcf9b164d66f9a62eb8b44dad403b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4A21 5132 bytes
font_01_sfnt_off00005b7b.bin
502dbc18611ec08a01683ccc8c8b081a3b3dcc4ececa5ffd8be4b9c146d45442		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B7B 9280 bytes
font_02_sfnt_off00007b27.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B27 4324 bytes

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