Malicious PDF — malware analysis report

Static analysis result for SHA-256 587647f6c6524ceb…

MALICIOUS

PDF

45.9 KB Created: 2020-08-15 02:22:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72315266366a1f7cc58160eed68e2a34 SHA-1: 0e4ab9757046815cf0475dfe5a45aaae415eace5 SHA-256: 587647f6c6524ceb962e3eaa9eead35e4d2c75d1679e53f03b70946282eb05f1
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a lure related to 'screenshot hd apkpure' and embeds multiple links. One of these links, https://ttraff.cc/pify?keyword=screenshot+hd+apkpure, is identified as a malicious redirector. The document's structure and embedded links suggest a phishing or social engineering attack aimed at redirecting the user to 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=screenshot+hd+apkpure
    • http://jajesepi.chillfam.com/uploads/1/3/1/0/131070581/ace294.pdf
    • https://cdn.shopify.com/s/files/1/0433/8126/0440/files/xidizeguvukaxi.pdf
    • https://cdn.shopify.com/s/files/1/0437/0422/1849/files/funny_message_ringtone.pdf
    • https://cdn.shopify.com/s/files/1/0439/1131/5611/files/39273382039.pdf
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/21291910409.pdf
    • https://cdn.shopify.com/s/files/1/0435/0948/1626/files/86980168441.pdf
    • https://cdn.shopify.com/s/files/1/0436/0781/8398/files/18580378848.pdf
    • https://cdn.shopify.com/s/files/1/0430/3791/7345/files/29345885776.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_off00006020.bin
ac6159565075cece116f792dd9157b9e903a21663f61e5d0fce33868b043ddad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6020 5296 bytes
font_01_sfnt_off00007203.bin
89454d8ece1be00d2333aac76955f46ed17c4d141322e635bf27f42efb43e54e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7203 2116 bytes
font_02_sfnt_off00007bcf.bin
9423b592cf8b102df775c93f5c149f68fb053faf00dbc0f52ba2105af9a102dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BCF 15360 bytes

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