Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c2370b01875d4ad…

MALICIOUS

PDF

45.5 KB Created: 2020-08-22 09:08:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 62dad7884ba74d9f6038f9b71da1270a SHA-1: 008c4b3bfab6ee1dea9b82dcb8c565d926ce0683 SHA-256: 1c2370b01875d4ad9fee2683b9d364c91191a45425696aefddfb164041eb3610
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The embedded URL 'https://ttraff.com/pify?keyword=age+of+wonders+ii' is the primary indicator of malicious intent, likely serving as a lure for further malicious activity. The document body, though heavily obfuscated, contains references to the game 'Age of Wonders II' and the URL, suggesting a social engineering tactic to entice clicks.

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.com/pify?keyword=age+of+wonders+ii
    • http://tewov.aatp-mysterygames.com/uploads/1/3/0/8/130814347/27e981b01ec15.pdf
    • http://files.bonniebcollier.com/uploads/1/3/2/7/132712407/ed5e9505b29.pdf
    • http://jomerid.sophiewarner.co.uk/uploads/1/3/0/8/130874388/3540778.pdf
    • http://zobofus.palmermoto.com/uploads/1/3/2/8/132814930/fa9511f37.pdf
    • https://cdn.shopify.com/s/files/1/0433/8348/8679/files/anatomy_and_physiology_applied_to_obstetrics.pdf
    • https://cdn.shopify.com/s/files/1/0432/6028/0982/files/ano_ang_kultura.pdf
    • https://cdn.shopify.com/s/files/1/0433/9970/8821/files/22795857241.pdf
    • https://cdn.shopify.com/s/files/1/0434/3093/6733/files/fopadenet.pdf
    • https://cdn.shopify.com/s/files/1/0430/4017/8333/files/bisleri_advertisement_camel.pdf
    • https://cdn.shopify.com/s/files/1/0427/6856/4380/files/8913043926.pdf
    • https://cdn.shopify.com/s/files/1/0434/3998/0710/files/hallelujah_chorus_violin_sheet_music.pdf
    • https://cdn.shopify.com/s/files/1/0435/6934/8763/files/future_blase_mp3_download.pdf
    • https://cdn.shopify.com/s/files/1/0432/4474/8950/files/81686511639.pdf
    • https://cdn.shopify.com/s/files/1/0434/6229/5716/files/berlin_conference_1884.pdf
    • https://cdn.shopify.com/s/files/1/0433/0618/8955/files/ladevakevofufurul.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_off00007394.bin
5dfc5277c4cdc00c815013e13553445c6867ad254f6ede9f238b35c79b32f23d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7394 4916 bytes
font_01_sfnt_off0000846f.bin
b72f1bf755f98a466d3a1f8b1014d76deec6a737d21d5b3226ef85b796776961		 pdf-font-stream PDF embedded font (sfnt) at offset 0x846F 10652 bytes

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