Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbe79ce2e80b75ba…

MALICIOUS

PDF

46.3 KB Created: 2020-09-10 04:31:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b3bb6a92e806b7290ebc7e60b48e848b SHA-1: bfa11af28fad1d1c4b17e9045f499738d03dc3d8 SHA-256: bbe79ce2e80b75ba335ec184b49891ceef0d61727f5337b64d68a65cd13f9089
150 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it links to known malicious redirector infrastructure. It also exhibits characteristics of a PDF link farm, embedding numerous external links, many pointing to Shopify domains. The primary malicious URL identified is https://ttraff.me/wix?keyword=saffron+barker+and+aj+performance, which is likely used to redirect the user to a malicious site. The document body contains garbled text but includes the malicious URL and several Shopify URLs, suggesting a social engineering attempt to drive traffic to malicious infrastructure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.me/wix?keyword=saffron+barker+and+aj+performance
    • http://vidof.yourownpathyoga.com/uploads/1/3/0/9/130969204/7c8146.pdf
    • https://cdn.shopify.com/s/files/1/0429/9954/6009/files/97473365440.pdf
    • https://cdn.shopify.com/s/files/1/0434/3355/8168/files/xexabebidabup.pdf
    • https://cdn.shopify.com/s/files/1/0463/0134/8002/files/9630541171.pdf
    • https://cdn.shopify.com/s/files/1/0433/6631/8230/files/guzitames.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/datumaf.pdf
    • https://cdn.shopify.com/s/files/1/0430/5187/6509/files/22257444378.pdf
    • https://cdn.shopify.com/s/files/1/0432/5136/8104/files/video_editing_software_windows_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/7075/8805/files/behringer_chromatic_tuner_tu300_manual.pdf
    • https://cdn.shopify.com/s/files/1/0428/0667/3575/files/vesibafonekufebimu.pdf
    • https://cdn.shopify.com/s/files/1/0463/0626/3202/files/99599134124.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005d18.bin
24fd6868f187b5667792517f9f69d22ac5a3de5011d4d3824467392effeade79		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D18 6588 bytes
font_01_sfnt_off00006d92.bin
af994db12f78a612c0d033fc5b9ea6f64117c71b19aefc1771c4ed6dec5173c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D92 5476 bytes
font_02_sfnt_off00008021.bin
e13cebd61bcc3d4cc06f46689575cd4852245bd86e41f7104ae93ff8db4b9659		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8021 1588 bytes
font_03_sfnt_off0000882e.bin
2ae327557e9446d4c3401b63500a7adada58ef007c376e084507c3d20cea32bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x882E 10504 bytes

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