Malicious PDF — malware analysis report

Static analysis result for SHA-256 331286645565b916…

MALICIOUS

PDF

40.1 KB Created: 2020-08-26 00:05:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 763038002eb1a053fe48b3cbfa1d3c43 SHA-1: 9589ac9cfdfe5cd4bb0b4a525dd80f3fca17cf0d SHA-256: 331286645565b916d29e09205482095c3c222bb5fc8954e84d9c63574e6d0201
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector at `https://ttraff.com/pify?keyword=convert+fdf+to+pdf`. This suggests the document is designed to lure users to malicious infrastructure, potentially for phishing or malware distribution. No scripts were extracted from this sample.

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.com/pify?keyword=convert+fdf+to+pdf
    • http://files.bonding.no/uploads/1/3/1/6/131637606/1860893.pdf
    • http://files.familycrisisresourcecenter.org/uploads/1/3/1/8/131871859/pivasivolepejex.pdf
    • https://cdn.shopify.com/s/files/1/0430/3886/7607/files/subiwibudepezijuf.pdf
    • https://cdn.shopify.com/s/files/1/0428/4570/0262/files/baseball_card_price_guide.pdf
    • https://cdn.shopify.com/s/files/1/0433/9721/8458/files/18483038026.pdf
    • https://cdn.shopify.com/s/files/1/0440/6440/7702/files/18763094945.pdf
    • https://cdn.shopify.com/s/files/1/0434/8362/7686/files/16924788245.pdf
    • https://cdn.shopify.com/s/files/1/0430/7763/2154/files/51005016095.pdf
    • https://cdn.shopify.com/s/files/1/0431/3533/6605/files/94186973644.pdf
    • https://cdn.shopify.com/s/files/1/0432/8233/3851/files/lipuruxudanewubezar.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/tovovowegafakaroseras.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_off0000607d.bin
899594fff44f99fad9143a44cf8346c431fbe75d5ccb3ea486bcb999c602437f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x607D 4580 bytes
font_01_sfnt_off00007027.bin
7b20e9a325de0f92b09a3101d470f5168fabd0a1bf18d84ca8836ab6f3463642		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7027 10584 bytes

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