Malicious PDF — malware analysis report

Static analysis result for SHA-256 b74d25d0186ea527…

MALICIOUS

PDF

39.8 KB Created: 2020-08-08 03:07:43 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: cf3c26a60173fc6da35f61f13deeb255 SHA-1: 2b2a788982143b2289ba113ce71c9691d241dc64 SHA-256: b74d25d0186ea5271d0ecf50d5ec7df5f6ec35f6a8d3301d3de87983cb50fae0
168 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious Link T1059.001 PowerShell

The PDF document contains a lure for a 'Holy bible kjv pdf download' and presents a visual call-to-action button. It embeds numerous links, including one that redirects to known malicious infrastructure via ttraff.com. The document also attempts to trick the user into installing a browser extension or update, a common social-engineering tactic for malware delivery.

Heuristics 5

  • 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.
  • Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
    Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
  • 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.com/pify?keyword=holy+bible+kjv+pdf+download
    • http://files.50walks.com/uploads/1/3/1/3/131380720/6463316.pdf
    • http://laviri.barmillscommunitychurch.org/uploads/1/3/1/3/131384169/d76f72d624.pdf
    • http://files.creatingyourwellness.org/uploads/1/3/2/7/132740682/juwuk.pdf
    • http://files.paterpaulus.us/uploads/1/3/0/8/130873791/taxutef.pdf
    • http://files.detailexpressutah.com/uploads/1/3/2/6/132681690/vimenafabiburo-nabadori-fopun-baned.pdf
    • https://cdn.shopify.com/s/files/1/0437/3364/7509/files/1141107677.pdf
    • https://cdn.shopify.com/s/files/1/0431/7285/5967/files/36002836287.pdf
    • https://cdn.shopify.com/s/files/1/0433/6962/7799/files/game_of_thrones_season_1_complete_720p.pdf
    • https://cdn.shopify.com/s/files/1/0429/0222/5059/files/12628455520.pdf
    • https://cdn.shopify.com/s/files/1/0435/4254/4533/files/ganejuronuwonewafatasata.pdf
    • https://cdn.shopify.com/s/files/1/0430/8841/2836/files/pigix.pdf
    • https://cdn.shopify.com/s/files/1/0435/1436/4059/files/63208011563.pdf
    • https://cdn.shopify.com/s/files/1/0437/1336/4121/files/que_son_los_alcanos_alquenos_y_alquinos.pdf
    • https://cdn.shopify.com/s/files/1/0432/9232/8104/files/8321013720.pdf
    • https://cdn.shopify.com/s/files/1/0438/2395/6125/files/43087154089.pdf
    • https://cdn.shopify.com/s/files/1/0440/3144/3094/files/banulijelixozataguzusivub.pdf
    • https://cdn.shopify.com/s/files/1/0439/4729/4875/files/levobumadazizew.pdf
    • https://cdn.shopify.com/s/files/1/0431/1564/3041/files/18187601230.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_off00005135.bin
241576261eb929e2bfa00df8da34d7e2893ca933a6216a8bb0927e6edf0d5dc3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5135 5256 bytes
font_01_sfnt_off00006342.bin
5bc7d7f50c86f604e63abf97ee274c3a3c93e2206f8c46862a867119ebae2ce2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6342 4720 bytes
font_02_sfnt_off00007045.bin
fbd2186ba9c5a1be1719c662beec4faaba67e5030087aa9e964f846c0a4b889a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7045 9800 bytes

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