Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0312ab1c948f59a…

MALICIOUS

PDF

51.1 KB Created: 2020-08-21 17:41:27 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 77bad4a9d4eba42ce5fd831cb6973f53 SHA-1: 439cfa68eef151146c9ab3d7c43785a9543b5f1a SHA-256: c0312ab1c948f59a04ff281f4b3867a3b163605689eaaa3b4bc7d7133965ae66
120 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with a critical heuristic firing indicating a malicious redirector. The document body, though heavily obfuscated, contains a URL that matches the malicious redirector. This suggests the document's primary purpose is to redirect the user to malicious infrastructure, likely for further exploitation or credential harvesting.

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=love+wallpaper+video+song
    • http://files.vintagealleyverona.com/uploads/1/3/2/6/132695258/gamuputigamoz.pdf
    • https://cdn.shopify.com/s/files/1/0429/8076/9951/files/90962303373.pdf
    • https://cdn.shopify.com/s/files/1/0434/1042/3960/files/8460238304.pdf
    • https://cdn.shopify.com/s/files/1/0428/0313/4627/files/nevawuvudusojatiwexagefep.pdf
    • https://cdn.shopify.com/s/files/1/0440/8839/3893/files/bogakebemugapaxedapezu.pdf
    • https://cdn.shopify.com/s/files/1/0435/2252/3288/files/tizawafosureletigo.pdf
    • https://cdn.shopify.com/s/files/1/0430/4257/0401/files/mco_1020._34_g.pdf
    • https://cdn.shopify.com/s/files/1/0432/6585/1560/files/72294632032.pdf
    • https://cdn.shopify.com/s/files/1/0437/5530/7159/files/biographical_narrative_example.pdf
    • https://cdn.shopify.com/s/files/1/0430/0403/5221/files/26254819350.pdf
    • https://cdn.shopify.com/s/files/1/0433/8148/9829/files/jakop.pdf
    • https://cdn.shopify.com/s/files/1/0437/8191/4781/files/biblia_de_estudio_plenitud_gratis_espaol_en.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/
    • https://cdn.shopify.com/s/files/1/0428/0313/4627/files/nevawu

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007f2a.bin
d77a613a940e8691f2b6ef49c8b2a7d4d375ee655a78b0d9e74490cf671bc5dc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7F2A 5220 bytes
font_01_sfnt_off00009111.bin
8974cf004a5e6d92d814eef34fbd10e3fc4a112159bbfae2cd9196bee2dc3131		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9111 14192 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.