Malicious PDF — malware analysis report

Static analysis result for SHA-256 9b007bc9a3344e86…

MALICIOUS

PDF

52.5 KB Created: 2020-08-07 14:40:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 458e73d423056dd31206ca6e8e7647d7 SHA-1: 11d6ec72603a6734f8681bb827ef63a13f0eb96a SHA-256: 9b007bc9a3344e86be9367a52072551ce8edaeb2e3e0e0bbf9332ac4e7ace688
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=atom+editor+tutorial+pdf'. This indicates a phishing or scam attempt, using the guise of an 'Atom editor tutorial pdf' to entice clicks. The document body also contains this URL and numerous other links, many hosted on Shopify, suggesting a link farm or redirection strategy. The file's purpose is to redirect users to malicious infrastructure.

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=atom+editor+tutorial+pdf
    • http://files.dlaf.org/uploads/1/3/0/7/130738894/bakefenonef-gexofuv-sipubedin-vesowiv.pdf
    • http://viwapume.newlandfilms.co.uk/uploads/1/3/2/7/132710780/cd12ac6735.pdf
    • http://files.oddityodysseys.com/uploads/1/3/0/7/130738534/zisobuzasezajijusu.pdf
    • http://kurisavet.ncip.info/uploads/1/3/1/4/131407995/2743559.pdf
    • https://cdn.shopify.com/s/files/1/0429/5570/2425/files/45410575141.pdf
    • https://cdn.shopify.com/s/files/1/0434/6901/3144/files/nuputumobagu.pdf
    • https://cdn.shopify.com/s/files/1/0429/9309/0714/files/lawavubibugi.pdf
    • https://cdn.shopify.com/s/files/1/0430/6350/9141/files/14106852221.pdf
    • https://cdn.shopify.com/s/files/1/0430/8025/3593/files/introduction_to_genetic_analysis_solutions_manual.pdf
    • https://cdn.shopify.com/s/files/1/0433/1952/5531/files/sufarozar.pdf
    • https://cdn.shopify.com/s/files/1/0431/5322/7936/files/71744967358.pdf
    • https://cdn.shopify.com/s/files/1/0433/3764/6245/files/64694342935.pdf
    • https://cdn.shopify.com/s/files/1/0432/3662/2498/files/magento_get_base_url.pdf
    • https://cdn.shopify.com/s/files/1/0435/4038/1855/files/vafupa.pdf
    • https://cdn.shopify.com/s/files/1/0437/2316/1768/files/ace_hood_net_worth.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_off00008563.bin
c102dd533726be924a25888b02b17579b7d540f2cdc6a4877487aeacb6f7ce89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8563 4996 bytes
font_01_sfnt_off0000964c.bin
d6fa6d54e62c457dd8d988d80bb4e596a8c0b77b1b4c23f2e500e75c180aff99		 pdf-font-stream PDF embedded font (sfnt) at offset 0x964C 14776 bytes

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