Malicious PDF — malware analysis report

Static analysis result for SHA-256 353974d2266a3248…

MALICIOUS

PDF

66.9 KB Created: 2020-08-02 10:46:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: add9504e56b367606e37fa5aacc68ac2 SHA-1: 4b60461200643023306c43b05667a1c98afe2b82 SHA-256: 353974d2266a32485b68b5f52f5fd3123c3e9a7974c1ecd80a2bd8792c1e1655
150 Risk Score

Malware Insights

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

The PDF contains embedded links that point to a malicious redirector, specifically 'https://ttraff.ru/pify?keyword=kodi+tv+guide', which is designed to lure users with a fake Kodi TV guide. The document also functions as a link farm, distributing numerous other PDF files hosted on various domains, including multiple Shopify subdomains. This behavior is indicative of a phishing or scam campaign aiming to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.ru/pify?keyword=kodi+tv+guide
    • http://files.jetarbox.com/uploads/1/3/1/3/131398097/1726183.pdf
    • http://files.friendsofhuruma.org/uploads/1/3/1/4/131410012/46217f.pdf
    • http://files.easternontariowines.com/uploads/1/3/2/6/132695399/5720992.pdf
    • http://files.niloufarfarzam.com/uploads/1/3/0/8/130874369/7064865.pdf
    • https://cdn.shopify.com/s/files/1/0427/4749/4567/files/saruroja.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vitalifurefafimeribedewo.pdf
    • https://cdn.shopify.com/s/files/1/0428/5195/8947/files/telupevonovolipake.pdf
    • https://cdn.shopify.com/s/files/1/0437/6671/0426/files/19481232108.pdf
    • https://cdn.shopify.com/s/files/1/0432/3803/1518/files/5003550851.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/57148414383.pdf
    • https://cdn.shopify.com/s/files/1/0433/7437/9164/files/27263246856.pdf
    • https://cdn.shopify.com/s/files/1/0428/7892/7011/files/433385452.pdf
    • https://cdn.shopify.com/s/files/1/0434/6383/5814/files/86608101290.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009d4f.bin
585695fbea79bbaa41d02f01f44f64d2baba3d194e18f5451813bb821505cbb3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9D4F 4280 bytes
font_01_sfnt_off0000abfb.bin
6c2c9015f78d4085f9031911c615ed068d9591d0e4b6b3e293611871ecb0b3a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0xABFB 14564 bytes
font_02_sfnt_off0000d9e8.bin
fe139538347d724e6b27dab22ead91fbb1eb3470a850438049392072e7f85921		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9E8 16208 bytes
font_03_sfnt_off0000ef29.bin
4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEF29 4324 bytes

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