Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7cb477b11c28216…

MALICIOUS

PDF

50.6 KB Created: 2021-02-18 14:31:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: dfd15c0976aa1c5c9fcfefc8cbc812c5 SHA-1: 991ca40a44f6acaadf3c775ae7ba2b94a12a0f1a SHA-256: d7cb477b11c282169e01090b15ad933d1a0d552d4e168c46a988bccf5beaa9ad
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://yafferge.ru/aws?utm_term=dark+souls+2+dlc+bosses'. This indicates the document's primary purpose is to lure users to this malicious site. The ML classifier also flagged the PDF as malicious, supporting this assessment. No scripts were extracted, but the presence of embedded URLs and the redirector heuristic strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7706

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
  • 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/aws?utm_term=dark+souls+2+dlc+bosses In PDF document text
    • http://importants.space/call_of_duty_ww2_ps4_theme2i4dt.pdfIn PDF document text
    • http://rineset.xyz/wulexitalaroka5tzsr.pdfIn PDF document text
    • http://gasufulezexe.22web.org/miraculous_ladybug_box_template.pdfIn PDF document text
    • http://batut.space/goxovokikemt6cc.pdfIn PDF document text
    • https://cdn.sqhk.co/wezufunin/6jhMieQ/13424557167.pdfIn PDF document text
    • https://cdn.sqhk.co/liripudeb/gFibAjg/5407648883.pdfIn PDF document text
    • https://cdn.sqhk.co/mofokamibe/hcwihcn/download_battle_plan_mod_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/dezajok/nsf_fastlane_proposal_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/lekelepowo/english_songs_2018_free.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/full_wave_center_tapped_rectifier_lab_report.pdfIn PDF document text
    • https://s3.amazonaws.com/fukepez/dolikovakunumabitat.pdfIn PDF document text
    • https://s3.amazonaws.com/gekojulog/tetufomufi.pdfIn PDF document text
    • http://piwuzodoxomox.epizy.com/genealogy_tree_free_template.pdfIn PDF document text
    • https://s3.amazonaws.com/womirofop/63874072195.pdfIn PDF document text
    • http://talifox.rf.gd/xuzejivijag.pdfIn PDF document text

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