Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f905010eef535aa…

MALICIOUS

PDF

40.8 KB Created: 2020-08-21 21:33:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 03da0b23212828f045151a6e5e735ea4 SHA-1: 42f35451a950cd22468cc588d2da1903aa0ca470 SHA-256: 8f905010eef535aa334483313568d1ec503462ab1853f4249be6f72d24194b93
150 Risk Score

Malware Insights

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

The PDF file was flagged by multiple critical heuristics for containing malicious redirector links and a link farm. The embedded document body contains the URL 'https://ttraff.ru/pify?keyword=butterknife+with+androidx', which is also listed as a malicious redirector. The file's purpose appears to be to lure users into clicking these links, likely leading to further malicious content or phishing attempts.

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.ru/pify?keyword=butterknife+with+androidx
    • http://mimivul.captainhorne.com/uploads/1/3/0/8/130874493/c1a721d.pdf
    • https://cdn.shopify.com/s/files/1/0431/7950/7870/files/47801113177.pdf
    • https://cdn.shopify.com/s/files/1/0428/3321/5654/files/98838717815.pdf
    • https://cdn.shopify.com/s/files/1/0434/5335/0040/files/nabufaxebuweranozow.pdf
    • https://cdn.shopify.com/s/files/1/0435/3989/0327/files/11400901303.pdf
    • https://cdn.shopify.com/s/files/1/0437/4803/2663/files/bank_interview_questions_and_answers_for_freshers_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/8808/5145/files/kazin.pdf
    • https://cdn.shopify.com/s/files/1/0430/1550/4029/files/72316105602.pdf
    • https://cdn.shopify.com/s/files/1/0432/2734/9159/files/mefegapez.pdf
    • https://cdn.shopify.com/s/files/1/0437/7565/6097/files/adverbial_clause_of_result.pdf
    • https://cdn.shopify.com/s/files/1/0430/0436/2906/files/kabiz.pdf
    • https://cdn.shopify.com/s/files/1/0434/1517/5335/files/serutitoxapabitadiwife.pdf
    • https://cdn.shopify.com/s/files/1/0461/3216/6824/files/fapulorovisabazig.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_off0000617e.bin
e6b91c68f9069a11d6b5e1444dbf70d74272e2bece8c07810a55eb80d3fc062b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x617E 5060 bytes
font_01_sfnt_off000072c9.bin
ec742c05db960149f466a006b5ac598057dc5c095e203396373f0cac1daae5bb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x72C9 10500 bytes

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