Malicious PDF — malware analysis report

Static analysis result for SHA-256 c27c08fb46b698c0…

MALICIOUS

PDF

36.5 KB Created: 2020-08-20 13:19:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b316bfc24b70308ab90f8b8a12b47560 SHA-1: c928f75cf75d2d05427f1440c056a2591b5cc18d SHA-256: c27c08fb46b698c0704bfd540a69719ac8c486ca068846dc10b8ade7167e5888
150 Risk Score

Malware Insights

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

The PDF contains a heuristic firing for a malicious redirector link, specifically pointing to 'ttraff.cc'. The document body also contains the same URL, suggesting it is the primary lure. The PDF also contains a large number of embedded links, many pointing to Shopify domains, which is indicative of a link farm used for SEO poisoning or to obscure the final malicious destination. The ML classifier also strongly flagged this PDF as malicious.

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.cc/pify?keyword=aagadu+songs+free++doregama
    • http://jedugozed.dittmarfarms.com/uploads/1/3/1/8/131856827/952.pdf
    • https://cdn.shopify.com/s/files/1/0430/9906/2421/files/array_of_colours.pdf
    • https://cdn.shopify.com/s/files/1/0440/5270/9526/files/mega_man_9_rom.pdf
    • https://cdn.shopify.com/s/files/1/0430/0279/0039/files/selidujimobe.pdf
    • https://cdn.shopify.com/s/files/1/0428/8764/3302/files/952321562.pdf
    • https://cdn.shopify.com/s/files/1/0429/8915/8554/files/adobe_photoshop_8._0_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0427/7485/5846/files/89714515719.pdf
    • https://cdn.shopify.com/s/files/1/0428/4927/1975/files/nadurujororujired.pdf
    • https://cdn.shopify.com/s/files/1/0431/3910/4917/files/hotpoint_smart_tech_washing_machine_9kg_manual.pdf
    • https://cdn.shopify.com/s/files/1/0437/1723/0741/files/47182852889.pdf
    • https://cdn.shopify.com/s/files/1/0432/7663/2214/files/xosowurajafisuwotekawusix.pdf
    • https://cdn.shopify.com/s/files/1/0432/3826/0899/files/75948447153.pdf
    • https://cdn.shopify.com/s/files/1/0436/3635/9326/files/zuzajipesazilodirivej.pdf
    • https://cdn.shopify.com/s/files/1/0437/6484/2647/files/characteristics_and_types_of_entrepreneur.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_off00004e23.bin
167b9fae9bf1f850ebe7ec86457b48f02346b07757a4714fc8b1769cf6d7e782		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4E23 5184 bytes
font_01_sfnt_off00005fa7.bin
45679d625b7cd2aafb9fd7a423106c2beb4d5ce2c2965c25ffe1b2854d30df4a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5FA7 11752 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.