Malicious PDF — malware analysis report

Static analysis result for SHA-256 20d9344a478d47d0…

MALICIOUS

PDF

46.3 KB Created: 2020-08-18 19:26:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c013465bde35ec29082c1ac20d0c567 SHA-1: 35bcf7be0d793043e98e4bc97e19acab43b9a2cc SHA-256: 20d9344a478d47d0180e60f37846f95530cca1c5558d59674c325e25124e6351
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.ru, which is disguised as a search result for 'Play store game jio phone'. The file also exhibits characteristics of a link farm, with numerous embedded links pointing to external PDFs, many hosted on Shopify. This suggests a phishing or scam attempt to redirect users 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.ru/pify?keyword=play+store+game++jio+phone
    • http://vonuga.tiffanywitownhall.com/uploads/1/3/0/9/130969723/5c46aabb38bcf72.pdf
    • http://files.tindelltraining.com/uploads/1/3/2/6/132695258/neluweradomo.pdf
    • https://cdn.shopify.com/s/files/1/0431/4356/1376/files/61437877939.pdf
    • https://cdn.shopify.com/s/files/1/0430/5793/8581/files/kuduxifen.pdf
    • https://cdn.shopify.com/s/files/1/0433/7762/3194/files/zinoruwisivosusuderuji.pdf
    • https://cdn.shopify.com/s/files/1/0433/2797/9678/files/65985180591.pdf
    • https://cdn.shopify.com/s/files/1/0431/4988/5606/files/griffon_corporation_annual_report.pdf
    • https://cdn.shopify.com/s/files/1/0433/1097/3083/files/rebedigazupawegewol.pdf
    • https://cdn.shopify.com/s/files/1/0431/2875/0241/files/88339156483.pdf
    • https://cdn.shopify.com/s/files/1/0427/3097/9495/files/gofizoper.pdf
    • https://cdn.shopify.com/s/files/1/0431/5227/7670/files/counterparty_credit_risk.pdf
    • https://cdn.shopify.com/s/files/1/0434/9689/8724/files/baponodobon.pdf
    • https://cdn.shopify.com/s/files/1/0432/2990/5058/files/libev.pdf
    • https://cdn.shopify.com/s/files/1/0430/7304/4642/files/22207385409.pdf
    • https://cdn.shopify.com/s/files/1/0431/7023/4527/files/fufidaletorulajomar.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/f

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000647f.bin
4c74050ec94af76d00d24dde71dea99d89c305a3f811c434678c943d07cf371e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x647F 5412 bytes
font_01_sfnt_off000076d3.bin
8533715e3d4f6853af77390aee475c707e1f8248f347f721c2febf5ea98f8c04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x76D3 10316 bytes
font_02_sfnt_off00009a4f.bin
3de398a7dcb5118acf77a6f36ab26ed1d0096dd29d2ca729df899fadc5b4713a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9A4F 4804 bytes

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