Malicious PDF — malware analysis report

Static analysis result for SHA-256 54ca7d9fde7c0666…

MALICIOUS

PDF

45.1 KB Created: 2020-08-03 19:12:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92abb2afe93cbc5c7ffaca45011d5042 SHA-1: 688516d68095f3031724356e8410fdbd1d0530fc SHA-256: 54ca7d9fde7c0666ef80603cc807f7957941e8b3ff7712ca5eb5e97bbbd3d5b9
120 Risk Score

Malware Insights

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

The PDF file contains a high number of embedded links, with a critical heuristic firing indicating it links to known malicious redirector infrastructure. The primary malicious URL identified is 'https://ttraff.cc/pify?keyword=la+ballade+des+pendus+villon+pdf'. The document body, though heavily obfuscated, contains this URL and other embedded links, suggesting a lure to a malicious site. The file's purpose appears to be directing users to this malicious URL, likely for phishing or to download further malicious 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=la+ballade+des+pendus+villon+pdf
    • http://files.sarahcamillewilson.com/uploads/1/3/1/3/131383456/titalafumuwiza.pdf
    • http://files.phishross.com/uploads/1/3/2/6/132682802/vumozopazelin-jatudowavowas.pdf
    • http://files.mtclairmissionarybaptistchurch.org/uploads/1/3/2/6/132683137/6599f.pdf
    • https://cdn.shopify.com/s/files/1/0430/5335/1066/files/wasogexuwixipoduk.pdf
    • https://cdn.shopify.com/s/files/1/0435/7554/1919/files/fruit_ninja_puss_in_boots.pdf
    • https://cdn.shopify.com/s/files/1/0431/7973/7237/files/tifakasijozapug.pdf
    • https://cdn.shopify.com/s/files/1/0431/2530/9604/files/vexukofeni.pdf
    • https://cdn.shopify.com/s/files/1/0433/9928/2845/files/kevaboxanunutubuzuwujobab.pdf
    • https://cdn.shopify.com/s/files/1/0433/0212/5733/files/73086473349.pdf
    • https://cdn.shopify.com/s/files/1/0431/3802/3581/files/pip_install_local.pdf
    • https://cdn.shopify.com/s/files/1/0436/2744/6435/files/desktop_weather_windows_7_64_bit.pdf
    • https://cdn.shopify.com/s/files/1/0436/8039/9513/files/jodibetokokuvasidu.pdf
    • https://cdn.shopify.com/s/files/1/0433/5170/3706/files/pozewusexew.pdf
    • https://cdn.shopify.com/s/files/1/0429/6287/8618/files/90487189800.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_off00006195.bin
c3feb7279d1af495e621316493cd206efdcaddbae9c09088507948c4d16d4f11		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6195 4884 bytes
font_01_sfnt_off0000723d.bin
593b3694a62a20d19962a3241fa237c9f5189b7126df3e5844fad8c246600859		 pdf-font-stream PDF embedded font (sfnt) at offset 0x723D 12008 bytes
font_02_sfnt_off000097be.bin
05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176		 pdf-font-stream PDF embedded font (sfnt) at offset 0x97BE 4324 bytes

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