Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc6200e8d2818986…

MALICIOUS

PDF

48.8 KB Created: 2020-08-21 02:43:50 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 720154641383dd2dfc2f862af8a3e1ed SHA-1: eb76b19545052b29f5c274835cabe36ad1538a5d SHA-256: cc6200e8d28189861e0318b3213b065877700c648f2d366c4cfe96f9a7db7898
128 Risk Score

Malware Insights

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

The PDF contains multiple embedded links, with one identified as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'cv template free word 2019' and a URL that appears to be part of a link farm designed to attract search engine traffic. The primary malicious link, https://ttraff.ru/pify?keyword=cv+template+free++word+2019, is a redirector likely leading to a further malicious download or phishing page. The presence of a 'Download Button' heuristic further supports the lure-based attack pattern.

Heuristics 4

  • 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.
  • 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.ru/pify?keyword=cv+template+free++word+2019
    • http://files.theelectricgateco.co.uk/uploads/1/3/0/7/130739165/jimowodevew.pdf
    • http://xufax.inkonivory.ca/uploads/1/3/0/8/130873782/6620083.pdf
    • http://mugeb.yellowwheeldesign.com/uploads/1/3/0/8/130813372/sisorapibenis-bobiti-xagufozezujakul.pdf
    • https://cdn.shopify.com/s/files/1/0437/4118/4165/files/rexukajefomoxexijo.pdf
    • https://cdn.shopify.com/s/files/1/0437/9947/8434/files/40874196299.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/88075317933.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/37237973095.pdf
    • https://cdn.shopify.com/s/files/1/0440/1430/5430/files/stone_little_alchemy.pdf
    • https://cdn.shopify.com/s/files/1/0429/6821/9799/files/47190339310.pdf
    • https://cdn.shopify.com/s/files/1/0434/0678/6725/files/segixa.pdf
    • https://cdn.shopify.com/s/files/1/0437/2099/9064/files/87676278449.pdf
    • https://cdn.shopify.com/s/files/1/0434/9899/5864/files/44689528275.pdf
    • https://cdn.shopify.com/s/files/1/0428/2767/7852/files/27058690326.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_off00007db4.bin
b82eab6bf56e6d16e8d42534ddc2314072c1d02625d19aad0a6be8ed05f582f6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7DB4 5548 bytes
font_01_sfnt_off00009099.bin
37473ace9d6acde8cc434b97c78c9d7e756fb9a9d25b924257a25c81e2009975		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9099 11184 bytes

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