Malicious PDF — malware analysis report

Static analysis result for SHA-256 acf40fed5ffaf087…

MALICIOUS

PDF

65.4 KB Created: 2021-03-23 08:21:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79b45ab71cd0f16a8e7fb6cf73da61a0 SHA-1: 545d6b58da2fc4c1688e29055023c15f2627b2a2 SHA-256: acf40fed5ffaf08781393ff6850928e31a46082898959ca37646e17c03eaaf5e
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic suggest an attempt to exploit users through a deceptive link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8429

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://ponafet.ru/award?keyword=ecg+velez+pdf+gratis
    • https://gepadera.weebly.com/uploads/1/3/0/7/130740344/556397.pdf
    • https://fumuteserem.weebly.com/uploads/1/3/5/3/135333711/xivozezumemadik_ragovukufuzudod_wapexa_zigatedumugo.pdf
    • https://static.s123-cdn-static.com/uploads/4368976/normal_5fc8858c1d57c.pdf
    • http://rusherx.studio/razokumesiahcxb.pdf
    • https://static.s123-cdn-static.com/uploads/4414695/normal_5ff42d1d6c28c.pdf
    • https://cdn-cms.f-static.net/uploads/4411231/normal_5fe6f1a3497d9.pdf
    • http://prizyivnik.ru/fizuzidozapawasanatawuhiejs.pdf
    • https://guxuxexor.weebly.com/uploads/1/3/0/7/130775085/1835150.pdf
    • https://nogekapufininut.weebly.com/uploads/1/3/3/9/133997605/munizosozugoxari.pdf
    • https://cdn-cms.f-static.net/uploads/4485926/normal_600d4a6ac178e.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/lotibabakuj/network_support_engineer_interview_questions.pdf
    • https://uploads.strikinglycdn.com/files/3ff3fa59-431c-4007-8958-1df92d3aa935/what_is_coh2o6_2.pdf
    • http://nototen.epizy.com/44162192204.pdf
    • https://uploads.strikinglycdn.com/files/77fff53b-c252-4d4e-b47e-c6f5ab566110/rolelojowotefawemewupaf.pdf
    • https://s3.amazonaws.com/mogedozara/marowapatuwafemezegab.pdf
    • http://fumitosavewi.rf.gd/wuwuzate.pdf
    • https://uploads.strikinglycdn.com/files/166a378e-d274-4076-ace2-26cb50419f38/15320819891.pdf
    • https://uploads.strikinglycdn.com/files/e00f628d-df22-4d2b-b6bf-0690b55696ff/93821319315.pdf
    • https://s3.amazonaws.com/gurupixabogivaz/2011_chevrolet_equinox_reviews_consumer_reports.pdf
    • https://uploads.strikinglycdn.com/files/1740de3b-f2ed-4dcc-8420-91d969c37718/50322823499.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d818.bin
22a0c7eacb704ea54bf930d93e97b4164b83b1f7783a09b569cde581e00da720		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD818 5388 bytes

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