Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed72ae465216d449…

MALICIOUS

PDF

40.4 KB Created: 2020-09-01 14:18:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7bed9c4e659f414c81fee8822fd75d2e SHA-1: 0f5c9f9c30d8e8708a47c2d0690efd1feeac5c0c SHA-256: ed72ae465216d44940679d501cb2892d22fcb86715534f32bf39a1e58c81a097
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical redirector link to 'ttraff.cc'. The document body, though heavily obfuscated, contains the same malicious URL. This indicates the 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.cc/wix?keyword=sailor+moon+filler+episode+guide
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/31688109027.pdf
    • https://cdn.shopify.com/s/files/1/0434/4247/1064/files/32867993301.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11147191401.pdf
    • https://cdn.shopify.com/s/files/1/0437/3177/9745/files/ley_de_la_administracion_publica_federal.pdf
    • https://static.usrfiles.com/ugd/2f07a1_26d66702b6cd4e4f913ff286cd5860bb.pdf
    • https://static.usrfiles.com/ugd/b8c837_69b21ff665ae4c409e69a998991bc73a.pdf
    • https://cdn.shopify.com/s/files/1/0431/8468/5224/files/88041455444.pdf
    • https://cdn.shopify.com/s/files/1/0434/3129/7185/files/fijorinusalejodokorimu.pdf
    • https://cdn.shopify.com/s/files/1/0466/5094/9797/files/cartesian_form_imaginary_numbers.pdf
    • https://cdn.shopify.com/s/files/1/0432/2571/0756/files/lizepobajonusa.pdf
    • https://cdn.shopify.com/s/files/1/0428/8688/9625/files/grimm_wiki_episode_guide.pdf
    • https://cdn.shopify.com/s/files/1/0434/6806/2872/files/zagijuzomejeva.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/fejatomamegebuwugibuvu.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_off00005e7f.bin
6b52ad77f95a321c0945876a3866a2e7831907458d8f742a38a9866ac274e596		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E7F 5464 bytes
font_01_sfnt_off000070fb.bin
edda1e5d6e8c0908f7c179ec12b9603057b930f707f912593490792e5b97f2bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70FB 10572 bytes

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