Malicious PDF — malware analysis report

Static analysis result for SHA-256 c44713504d0e26cf…

MALICIOUS

PDF

48.8 KB Created: 2021-03-18 21:33:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 9d12245a588edb24001c5f087be20fd9 SHA-1: 4c859277a0a3241a381429c314accfe0bcde6d68 SHA-256: c44713504d0e26cf239494abd1177a60cbacae8f9501125c3baf7f4277895011
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 'yafferge.ru', which is disguised as a free book download. This URL is the primary indicator of malicious intent, likely leading to a phishing or malware distribution site. The ML classifier and ClamAV detection further support the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7228

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/award?keyword=automobile+engineering+books+free+download+pdf In PDF document text
    • https://static.s123-cdn-static.com/uploads/4454671/normal_5fccd97894c1d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404293/normal_5ffd31a31ae4b.pdfIn PDF document text
    • https://nobinetezo.weebly.com/uploads/1/3/0/9/130969761/nivutazesel_gezuwu_zoravajib_povaxesubalez.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453342/normal_5fed2bcc772fc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414166/normal_6006cad5d2109.pdfIn PDF document text
    • https://zefisazivite.weebly.com/uploads/1/3/5/3/135314851/8013630.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470553/normal_60229121df2c3.pdfIn PDF document text
    • https://s3.amazonaws.com/bojafazes/kannada_bhakthi_geethegalu_model.pdfIn PDF document text
    • https://s3.amazonaws.com/vavejijitatofu/where_is_the_hook_in_links_awakening.pdfIn PDF document text
    • https://s3.amazonaws.com/vipuxafol/python_format_list_of_values.pdfIn PDF document text
    • https://s3.amazonaws.com/remeranexe/pujagivovodosijowi.pdfIn PDF document text
    • https://s3.amazonaws.com/remeranexe/darevagifokubazanub.pdfIn PDF document text
    • https://s3.amazonaws.com/pulavokaxe/homelessness_in_ireland_report.pdfIn PDF document text
    • https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_5bed4ff70af944ea819148200da59899.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jujojomojemiz/vidmate_apps_install_for_android_mobile.pdfIn PDF document text
    • https://edcb5511-827b-40b0-97c1-3499c313f96b.filesusr.com/ugd/0779a3_d53f79544d374a6eb11aa31f4d42b3cf.pdf?index=trueIn PDF document text

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