Malicious PDF — malware analysis report

Static analysis result for SHA-256 d94ca7f60fd286b2…

MALICIOUS

PDF

71.6 KB Created: 2021-02-27 13:29:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 9c2c9a3be6fc82946a21035f881dca45 SHA-1: 152505d35f10cfb0f156beab43c95575256bdb19 SHA-256: d94ca7f60fd286b27bef21fd0202405fedd85e8a954c0f6a1979317afb6d78e0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://resalured.ru/wix?keyword=kurtis+blow+these+are+the+breaks+lyrics PDF link annotation
    • https://pabebubi.weebly.com/uploads/1/3/2/6/132695301/kutupadox-xisal-purobikesawed.pdfIn PDF document text
    • http://tixesikixux.mygamesonline.org/mopusudijo.pdfIn PDF document text
    • https://cdn.sqhk.co/kerutadit/5tjcmSU/retrograde_motion_definition.pdfIn PDF document text
    • https://cdn.sqhk.co/zetoreli/dr7igha/kizadategifejuzubenoke.pdfIn PDF document text
    • https://lifitexuga.weebly.com/uploads/1/3/4/3/134356919/takepiwidubepezafuf.pdfIn PDF document text
    • http://businesslinecenter.com/juragupubovijipisarowa9.pdfIn PDF document text
    • https://dizakevusarebiz.weebly.com/uploads/1/3/4/5/134581037/778541.pdfIn PDF document text
    • https://cdn.sqhk.co/mivijigonof/f6haWpW/dreamer_axwell_lyrics_youtube.pdfIn PDF document text
    • http://businesshelpservice.com/kurosavexovebemizipovotega30h3.pdfIn PDF document text
    • https://dosisusibifoba.weebly.com/uploads/1/3/4/2/134236234/6183528.pdfIn PDF document text
    • http://totalcreditreport.info/van_dyke_arabic_bible_translationcmu88.pdfIn PDF document text
    • http://support-copyrighthelpservice-about.com/2020_olympics_skateboarding_team_canadaf2s8f.pdfIn PDF document text
    • http://community-day.ru/56389800942izvrp.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://larujuzo.rf.gd/54806681721.pdfIn PDF document text
    • https://s3.amazonaws.com/vuzotisenixava/38323137529.pdfIn PDF document text
    • https://s3.amazonaws.com/miwolezedubujoz/accounting_internship_interview_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/32969927800.pdfIn PDF document text
    • http://zabusokaruzovi.rf.gd/73726851509.pdfIn PDF document text
    • https://s3.amazonaws.com/wuzalugiseto/wavepad_app_free.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_off0000dd35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD35 5256 bytes
SHA-256: e0f69516542f8d2c5c42ea6c05b4d51aff9e3e0ad43f316cecf4135f3d34bed8
font_01_sfnt_off0000ef20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF20 9892 bytes
SHA-256: 132417bcb9dda060a8f11c61a23ad99e607bfcb8859bb69b1c566f0c37b1465f