Malicious PDF — malware analysis report

Static analysis result for SHA-256 43f7eec075ad6410…

MALICIOUS

PDF

42.3 KB Created: 2020-09-02 01:25:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: bfa21d52a00e1ea24b6dc6fadf724fbe SHA-1: b09e3bc19d4944e744947bf4eb4005ea8987c7e1 SHA-256: 43f7eec075ad641020668727c8ccbbf1668d8ed9e37f5074aa984c957f48812f
150 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded links, identified as a PDF link farm. One of the primary links, https://ttraff.cc/wix?keyword=wapking+movie++2019+full, is flagged as a known malicious redirector. The document body, though partially corrupted, contains references to this malicious URL and other benign Shopify links, suggesting a lure to external content. The overall structure and the presence of a malicious redirector indicate an attempt to lure users to malicious websites, likely for phishing or malware distribution.

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.cc/wix?keyword=wapking+movie++2019+full
    • https://cdn.shopify.com/s/files/1/0433/4485/5193/files/donadori.pdf
    • https://cdn.shopify.com/s/files/1/0432/1624/0807/files/dikosigupotawezir.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/17418425376.pdf
    • https://cdn.shopify.com/s/files/1/0433/9338/4599/files/89440515506.pdf
    • https://cdn.shopify.com/s/files/1/0440/7328/7830/files/remopipeperevutebibibunux.pdf
    • https://static.usrfiles.com/ugd/65b209_4f1bbf04b7b84882b94497c2ccee4300.pdf
    • https://static.usrfiles.com/ugd/b8c837_cc5c1ca9c9a94096a5d4d6580337202a.pdf
    • https://static.usrfiles.com/ugd/4ae4db_42148439567946f98a4bf3d2d2172cf2.pdf
    • https://cdn.shopify.com/s/files/1/0429/8866/7039/files/melev.pdf
    • https://cdn.shopify.com/s/files/1/0437/5108/0087/files/name_reactions_in_organic_chemistry_class_11.pdf
    • https://cdn.shopify.com/s/files/1/0430/7815/6449/files/lisebirupizoposoviwozut.pdf
    • https://cdn.shopify.com/s/files/1/0439/9936/3222/files/april_2020_monthly_current_affairs.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_off000059e7.bin
d073a838f929ebbda27ebcd0d8cabcd9615e52bc3e4dee9937ebabcf655fe471		 pdf-font-stream PDF embedded font (sfnt) at offset 0x59E7 5368 bytes
font_01_sfnt_off00006c36.bin
e8f4e0a0647709ed048d95b9eb792a9d764dc8e0ab3e6e0d1ca22d3bd7a24478		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C36 10088 bytes
font_02_sfnt_off00008eae.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8EAE 4324 bytes

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