Malicious PDF — malware analysis report

Static analysis result for SHA-256 d836f8fc89c20b93…

MALICIOUS

PDF

368.4 KB Created: 2020-08-07 16:04:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 69b377adcd7db29b9f23724fad5375a1 SHA-1: 2c811c48a0afa8bd9f201d40cef044eb1142ada5 SHA-256: d836f8fc89c20b9354dab8ba205b27249fa70321714505d5a7937172cff2b1b9
60 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. This indicates the document is designed to trick users into visiting a malicious URL, likely for further exploitation or credential harvesting. The embedded URL is reconstructed as 'https://ttraff.com/pify?keyword=fractals+in+molecular+biophysics+pdf'. No scripts were extracted from this sample.

Heuristics 2

  • 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.
  • 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=fractals+in+molecular+biophysics+pdf
    • http://files.emaginedthis.com/uploads/1/3/0/9/130969633/9201111.pdf
    • http://tegiw.crescendofarm.com/uploads/1/3/1/6/131637881/8e90e03d25e4328.pdf
    • http://files.ufabmoms.com/uploads/1/3/0/7/130775470/bugisejejonezemuto.pdf
    • http://files.naplesbesthairsalon.com/uploads/1/3/0/7/130776033/mukeminojomade_deraragibimuti.pdf
    • https://cdn.shopify.com/s/files/1/0433/8188/3030/files/pejekipotivoxo.pdf
    • https://cdn.shopify.com/s/files/1/0433/1667/4713/files/software_engineering_nptel.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/giratajolexodomofavewolov.pdf
    • https://cdn.shopify.com/s/files/1/0429/1470/9663/files/vikodez.pdf
    • https://cdn.shopify.com/s/files/1/0439/8225/8334/files/84799973185.pdf
    • https://cdn.shopify.com/s/files/1/0433/8250/5628/files/sefam.pdf
    • https://cdn.shopify.com/s/files/1/0430/4293/0842/files/sinoxobolavinerov.pdf
    • https://cdn.shopify.com/s/files/1/0429/9502/4033/files/93741334897.pdf
    • https://cdn.shopify.com/s/files/1/0435/4077/5071/files/setelasusubadazosu.pdf
    • https://cdn.shopify.com/s/files/1/0431/2812/7650/files/3179052457.pdf
    • https://cdn.shopify.com/s/files/1/0432/8413/6086/files/algorithms_and_flowcharts_in_c_examples.pdf
    • https://cdn.shopify.com/s/files/1/0429/5216/3481/files/lubifuxisuralefewulepama.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_off00055f92.bin
cf8ed93aaa9457b328eb70e1da5970e37c950e9eecad7a8fecac26fbd35eab6d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x55F92 5472 bytes
font_01_sfnt_off000571f8.bin
47dd3f1f1e73e603bfbdb356db64c40c4eeefa9b25705af7d6f216be9835d4ef		 pdf-font-stream PDF embedded font (sfnt) at offset 0x571F8 16268 bytes
font_02_sfnt_off0005a47d.bin
9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5A47D 4324 bytes

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