Malicious PDF — malware analysis report

Static analysis result for SHA-256 c75a8aa4dbf5b156…

MALICIOUS

PDF

41.9 KB Created: 2020-09-17 01:23:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 83d9e5374fdb068d3fe51ea5bedff7a8 SHA-1: 3b5ee0d00bb5e8b9c5b38edc84e5edb29dfda8c0 SHA-256: c75a8aa4dbf5b15604c9a87d593fbdb1a9907219ea656fca4b9c6d41de7fed8f
120 Risk Score

Malware Insights

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

The PDF contains a link farm and a direct link to a redirector, indicating a phishing or scam attempt. The document body, though heavily obfuscated, contains text related to 'yogi peach detox tea weight loss reviews' and the malicious URL, reinforcing the lure. The primary malicious URL is https://ttraff.club/wix?keyword=yogi+peach+detox+tea+weight+loss+reviews, which is flagged as a malicious redirector.

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=yogi+peach+detox+tea+weight+loss+reviews
    • http://bekepi.hellogrower.com/uploads/1/3/1/4/131437502/xusapo.pdf
    • http://jixoruxiw.leondinhart.com/uploads/1/3/1/4/131408899/6571538.pdf
    • http://pelab.lonemami.com/uploads/1/3/2/6/132682883/pogexopukafe_xewujawigebizi_jemizan_pamakemuj.pdf
    • https://74a3a812-42a6-4544-8a1e-3f725cd5f2f9.filesusr.com/ugd/668a47_42ac01d2329d46c68f4eeccaa3f1bc36.pdf?index=true
    • https://1d125aa1-d938-4447-bda7-45b7abb1b030.filesusr.com/ugd/e6092c_75d333670ac04bfe9349cdbd829edfda.pdf?index=true
    • https://7fce4dc8-2fe1-4413-adc0-b394535a4bca.filesusr.com/ugd/9ff9b8_7db616e11a934785b8e0a0c55117b7ed.pdf?index=true
    • https://94a54999-43bf-422b-85e6-ea56ebe578db.filesusr.com/ugd/5438e3_945b854244f649eaae33c5e0910de2ed.pdf?index=true
    • https://ed43869e-5a0d-429a-a195-276b80f5c924.filesusr.com/ugd/c1de29_f242070feefb4f35adf1cf99eedf527b.pdf?index=true
    • https://5eb58391-3621-46bb-ac8f-b57eccd7e49e.filesusr.com/ugd/90423f_f02a01e78be54aecae6aa660b62529a7.pdf?index=true
    • https://cdn.shopify.com/s/files/1/0431/0433/8077/files/37737123458.pdf
    • https://cdn.shopify.com/s/files/1/0440/0224/6814/files/urinary_tract_infection_treatment_guidelines_idsa.pdf
    • https://cdn.shopify.com/s/files/1/0435/1046/4667/files/maze_runner_comprehension_questions_and_answers.pdf
    • https://cdn.shopify.com/s/files/1/0467/6032/9379/files/stocks_reporting_earnings_next_week.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_off00006545.bin
e16bed8d8ab6bf4afab766f590af93a7f8ce0b9466d4538e0d4d2182a89c40c4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6545 5516 bytes
font_01_sfnt_off00007821.bin
9af1105e26558b34a78295955652f072fd15ba0c50935c2e34521d0b98b96812		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7821 10132 bytes

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