Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf092e7d56fc71ec…

MALICIOUS

PDF

42.7 KB Created: 2020-08-21 23:07:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 54e9795e7ceb01a33aec8e8cfc9ea816 SHA-1: 13cdb6c9d1c0059a3f352321a03f3bad8bed9a76 SHA-256: bf092e7d56fc71ec514854e0848302c5e1a64af43a3309a6c5d25cebbe440399
120 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One critical heuristic firing indicates a direct link to a known malicious redirector at 'https://ttraff.cc/pify?keyword=babri+masjid+hd+movie'. This suggests the document is designed to redirect users to malicious content, likely for phishing or malware distribution.

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=babri+masjid+hd+movie
    • http://files.daniellegrisnich.com/uploads/1/3/2/6/132696274/nejoluxepef-jisitipevet.pdf
    • http://tifon.ghnystyles.com/uploads/1/3/1/4/131437044/pudijoxamafawesegix.pdf
    • http://kujumafi.honeybeetreasure.com/uploads/1/3/1/4/131438819/a2df19c050add6.pdf
    • http://mefux.ohiodistrictaljc.com/uploads/1/3/1/4/131438684/d40c172ba3240.pdf
    • http://wofur.gillysplaceinkefalonia.co.uk/uploads/1/3/1/4/131452903/53dc9c.pdf
    • https://cdn.shopify.com/s/files/1/0433/9977/4366/files/59661484279.pdf
    • https://cdn.shopify.com/s/files/1/0441/1087/2728/files/68843557691.pdf
    • https://cdn.shopify.com/s/files/1/0431/5791/3754/files/cross_product_matlab.pdf
    • https://cdn.shopify.com/s/files/1/0434/8333/2773/files/coordinate_plane.pdf
    • https://cdn.shopify.com/s/files/1/0438/6881/5528/files/gulp_on_error.pdf
    • https://cdn.shopify.com/s/files/1/0432/1692/8923/files/i_am_crowder_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0434/4011/1782/files/19579053346.pdf
    • https://cdn.shopify.com/s/files/1/0428/7509/3159/files/62248074599.pdf
    • https://cdn.shopify.com/s/files/1/0433/7251/1386/files/kisagomelisebalofuzov.pdf
    • https://cdn.shopify.com/s/files/1/0432/6440/9764/files/dexonerumusetizuniba.pdf
    • https://cdn.shopify.com/s/files/1/0437/6572/7383/files/36263806349.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_off000069f7.bin
319d04e57790ce28fd3953532e47b38aba4820b4f4b27eff186e78a83fbdd85b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69F7 5356 bytes
font_01_sfnt_off00007c09.bin
a739fc2c18695e059b003ed43fedc17fff7153f0d9df4e864c13b8885531820f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C09 9964 bytes

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