Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e5228fdad475ec9…

MALICIOUS

PDF

82.6 KB Created: 2020-08-07 09:59:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3c9f938cf2cbbdc90eb428155e6c8b16 SHA-1: b90a292fc158373d5048d6656380db4c2c72c368 SHA-256: 9e5228fdad475ec9bc819286056b2e10795e3df759cd2aeb707b3de8b1532086
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 User Execution: Malicious Link

The PDF contains a malicious redirector link disguised as a download button, which is a common lure for phishing or malware delivery. The link directs to 'ttraff.cc', a known malicious redirector. The document also contains a large number of external PDF links, many hosted on Shopify, suggesting a link farm or SEO manipulation tactic to obscure the malicious destination.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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=access+consciousness+bars+manual+pdf
    • http://rareked.philentz.com/uploads/1/3/0/8/130874284/e82b281faae.pdf
    • http://raveni.graceandblessing.net/uploads/1/3/0/7/130775971/juxewibapusugatoval.pdf
    • http://files.kyliekissel.com/uploads/1/3/1/6/131607158/bobavami_sotidisa.pdf
    • http://kenuwox.midwesteop.com/uploads/1/3/1/4/131408738/7904862.pdf
    • https://cdn.shopify.com/s/files/1/0433/5131/0488/files/7379685690.pdf
    • https://cdn.shopify.com/s/files/1/0431/6767/8618/files/speedaire_compressor_manual.pdf
    • https://cdn.shopify.com/s/files/1/0440/1243/7662/files/83680230634.pdf
    • https://cdn.shopify.com/s/files/1/0431/0263/4148/files/wutoxinanixe.pdf
    • https://cdn.shopify.com/s/files/1/0427/9923/5228/files/esv_study_bible_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/4245/5195/files/faxesavujodim.pdf
    • https://cdn.shopify.com/s/files/1/0433/8712/5910/files/business_analysis_valuation_using_financial_statements_4th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/medade.pdf
    • https://cdn.shopify.com/s/files/1/0430/3428/0099/files/24228084801.pdf
    • https://cdn.shopify.com/s/files/1/0439/9942/8766/files/ibps_po_quantitative_aptitude_questions_with_answers.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_off0000ffc9.bin
1a59835dbf53103792dde61d0a2eb259ed10c148a379750bf5ef9380866bce7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFFC9 5432 bytes
font_01_sfnt_off00011228.bin
e02cd950e6a285b8e821047dce39757a6cddcf4bc5f624ca197c986ee673ba40		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11228 13028 bytes

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