Malicious PDF — malware analysis report

Static analysis result for SHA-256 673e7e2a4b1b8b73…

MALICIOUS

PDF

77.4 KB Created: 2021-03-30 21:25:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 1dcb6922c60a1a9ba3489819fb646335 SHA-1: 27f08a47d8674abe7d55e14f14e00d58fc9da85f SHA-256: 673e7e2a4b1b8b731734cdbe400dca2d62a04338d48c481f5c7ed7781bad56e4
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • 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
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://mezovuduw.ru/123?utm_term=transformers+prime+arcee+pregnant+with+optimus+son PDF link annotation
    • https://kotedakivon.weebly.com/uploads/1/3/1/6/131637811/bc983e89f5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449968/normal_6000e84c8efa7.pdfIn PDF document text
    • https://pagafamowadaf.weebly.com/uploads/1/3/4/8/134878907/noretilojulesujifum.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4462339/normal_5fe39d66065a2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4426085/normal_6049300ee00a2.pdfIn PDF document text
    • https://rizedugo.weebly.com/uploads/1/3/1/4/131453818/piwumeme-nizixupuvi-kozekun.pdfIn PDF document text
    • https://gevofiku.weebly.com/uploads/1/3/4/7/134759045/6487341.pdfIn PDF document text
    • https://xovobinawulum.weebly.com/uploads/1/3/4/8/134883327/vubidiruv-tofakitirawi-bazuxodabufu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476434/normal_5fee3f714111d.pdfIn PDF document text
    • https://revugegan.weebly.com/uploads/1/3/4/6/134682990/7714679.pdfIn PDF document text
    • http://wexexazemulo.iblogger.org/36398643703.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375891/normal_5fdd98e735fb3.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://suvalon.rf.gd/dodofulozematofolo.pdfIn PDF document text
    • http://tewalilakoj.rf.gd/18933719820.pdfIn PDF document text
    • http://xatabiraluxuded.rf.gd/introduction_to_sociology_2e_quiz_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/rebesudanolo/visokadabidoselitofub.pdfIn PDF document text
    • https://s3.amazonaws.com/feliso/65705808643.pdfIn PDF document text
    • http://tidegofavinugaw.epizy.com/use_of_pesticides_in_agriculture.pdfIn PDF document text
    • https://s3.amazonaws.com/kotodur/vetenowaf.pdfIn PDF document text
    • https://s3.amazonaws.com/vogubivajavofu/korurim.pdfIn PDF document text
    • https://s3.amazonaws.com/tuzakifezara/ladaditigamawigevenovumu.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ebbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBBE 5440 bytes
SHA-256: fd4d5ac96e21ba6b4cd006ace358ae5a36655bf9a5850661109a6861886f4511
font_01_sfnt_off0000fe20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE20 12868 bytes
SHA-256: 3adb2ff33cdba628b551ed1d1e497fe2cbd038ed09472a9428ccfe47d2ffc868

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