Malicious PDF — malware analysis report

Static analysis result for SHA-256 386acdd8aed8ea59…

MALICIOUS

PDF

59.1 KB Created: 2021-05-02 07:08:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-22
MD5: a89d1cde571e207ad9bbd0332a0a4aaa SHA-1: 8107ea2d4553fb07a0461f52966eca7ed7a6b33d SHA-256: 386acdd8aed8ea59b83f2491c915635c389b20887c153fd6034d19352755645c
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The embedded URL, https://yafferge.ru/strik?utm_term=best+corded+phone+for+hard+of+hearing, is flagged as malicious. The document body, though heavily obfuscated, appears to be related to search content, suggesting a lure to trick users into clicking the malicious link. The ClamAV detection further supports its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5491

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • 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://yafferge.ru/strik?utm_term=best+corded+phone+for+hard+of+hearing In PDF document text
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    • https://cdn.sqhk.co/fabupiguboxa/3yhawge/singing_in_the_rain_lyrics_romanized.pdfIn PDF document text
    • http://fixewizafufigiz.22web.org/christianity_before_christ_download.pdfIn PDF document text
    • https://cdn.sqhk.co/munoforifuso/hhc8BFx/nomufakerimix.pdfIn PDF document text
    • http://zowezuluma.22web.org/tireni.pdfIn PDF document text
    • https://cdn.sqhk.co/jomonufo/thcicia/movie_maker_software_for_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470028/normal_6007d1144a4f7.pdfIn PDF document text
    • https://cdn.sqhk.co/gizulakofo/ke3iahg/pajalalakofuxigaj.pdfIn PDF document text
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    • https://cdn-cms.f-static.net/uploads/4470038/normal_601e11101eea2.pdfIn PDF document text
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    • https://s3.amazonaws.com/levumoduf/dazorurudutawagovijafewur.pdfIn PDF document text
    • https://s3.amazonaws.com/dikobepibelun/meneditezezetubew.pdfIn PDF document text
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    • https://uploads.strikinglycdn.com/files/55ce1972-17a6-4306-88ab-3b0cf4c4c0ed/96705482029.pdfIn PDF document text
    • https://s3.amazonaws.com/semuxemakaw/what_is_the_story_of_movie_la_la_land.pdfIn PDF document text
    • https://s3.amazonaws.com/nuselufuzo/java_programming_questions_and_answers_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/setigafat/cdsc_kenya_forms.pdfIn PDF document text
    • https://s3.amazonaws.com/patilawasu/67767125194.pdfIn PDF document text