Malicious PDF — malware analysis report

Static analysis result for SHA-256 0fe2bd7c603e559c…

MALICIOUS

PDF

301.0 KB Created: 2021-04-10 12:05:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-13
MD5: 30831d60d307f03f756d565e0ac74724 SHA-1: 6296849aaa3550ed4ee813eaf93b47fbd27f37b8 SHA-256: 0fe2bd7c603e559c06221381fa6824eac7e910b938908f14f6edcd55a72645aa
156 Risk Score

Malware Insights

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

The PDF document contains heuristics indicating it is a phishing lure, specifically requesting recovery secrets or private keys. The embedded URL points to a suspicious domain, likely serving as a malicious landing page or download source. While no scripts were explicitly extracted, the PDF structure and the nature of the lure suggest an attempt to trick users into divulging sensitive information, aligning with phishing tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9849

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
    Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
  • 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://ponafet.ru/strik?utm_term=legal+terms+101 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4376858/normal_6005c7cba3b81.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369493/normal_5fda09dde936c.pdfIn PDF document text
    • http://defesam.22web.org/addressable_fire_alarm_control_panel.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366375/normal_5fff6cf70238c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417422/normal_6035294b9e60b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447431/normal_5fd1744f623b7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416672/normal_605a152dc2427.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4483624/normal_606de64d00254.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446790/normal_5fe0fde870018.pdfIn PDF document text
    • http://xodaxobomefawod.iblogger.org/calendario_tributario_2020_bolivia.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tumufuwa.rf.gd/83122060498.pdfIn PDF document text
    • https://s3.amazonaws.com/jolozidabi/james_baldwin_books_another_country.pdfIn PDF document text
    • http://nuwumexuxesi.epizy.com/87170614733.pdfIn PDF document text
    • https://ee60c613-3dd1-430d-b711-08e3dcbf0273.filesusr.com/ugd/19ce5d_9737ce3fc0f9481b8b3c378b329d1b23.pdf?index=trueIn PDF document text
    • http://sazuronami.epizy.com/benurefuzekapabadi.pdfIn PDF document text
    • https://s3.amazonaws.com/wifukedot/87290146459.pdfIn PDF document text
    • https://s3.amazonaws.com/zikeko/album_agnes_monica_rindu.pdfIn PDF document text
    • https://s3.amazonaws.com/xomepixo/fons_and_porter_template_set.pdfIn PDF document text
    • http://daforewepon.epizy.com/what_roomba_has_mapping.pdfIn PDF document text
    • https://s3.amazonaws.com/nefagolom/59680517025.pdfIn PDF document text
    • https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_951a53df5c604314ab33ad86cd43d438.pdf?index=trueIn PDF document text
    • http://walaveb.rf.gd/timiluwodiputamomikolavar.pdfIn PDF document text
    • https://010f2e21-25ca-4560-806d-08cbbb7c7db1.filesusr.com/ugd/74a852_3e42242a53bf4882a1ae3092fac5d254.pdf?index=trueIn 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_off00046ed1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46ED1 5140 bytes
SHA-256: fab93609169e20181447950172c3c60135ae05e49b2d76d74022ffeb2751c3b3
font_01_sfnt_off0004803e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4803E 11048 bytes
SHA-256: 44e8b52a4d44509d3ab434a4c4c5cbe9eb510236e8f7237f20ea98612bf9ae1f

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