Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8eb06ca34bfeb0e…

MALICIOUS

PDF

72.0 KB Created: 2021-03-06 00:55:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 30fd8a904aab26ad9cb02061769a2a6e SHA-1: b7c4f5115eaf9155fa27e1d840ea96017c28657c SHA-256: c8eb06ca34bfeb0e990b6959727cebffea2687535816d1a1600be8430a0ff730
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://gimoguvi.ru/wix?keyword=pennridge+high+school+graduation+date+2019 PDF link annotation
    • https://fojiwuduz.weebly.com/uploads/1/3/5/3/135309278/763304.pdfIn PDF document text
    • https://cdn.sqhk.co/muluxodipoto/sxjbjaf/reward_chart_apk_cracked.pdfIn PDF document text
    • http://jazulivorif.iblogger.org/senazepuralomijemexuba.pdfIn PDF document text
    • https://cdn.sqhk.co/wasefago/pW18ghc/3d_rollerball_eye_serum.pdfIn PDF document text
    • http://zozavelomidabi.scienceontheweb.net/83269863256.pdfIn PDF document text
    • http://taforojujutusig.mygamesonline.org/vokapet.pdfIn PDF document text
    • https://laregupofonel.weebly.com/uploads/1/3/4/4/134464195/fadirubezuwigox_vijufokide.pdfIn PDF document text
    • https://xuvunigito.weebly.com/uploads/1/3/1/1/131164310/visuko-mevipajola-lufugafenuzude.pdfIn PDF document text
    • http://mebovedu.getenjoyment.net/18523703448.pdfIn PDF document text
    • https://cdn.sqhk.co/turanexode/NEifRii/81536880717.pdfIn PDF document text
    • https://judexesadizit.weebly.com/uploads/1/3/0/7/130738912/47cd01931f.pdfIn PDF document text
    • https://cdn.sqhk.co/texafikogot/Iji3g1I/adorable_home_bedroom_mod_apk.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://kewugozosefo.epizy.com/award_show_300mb.pdfIn PDF document text
    • http://xepalufozakot.epizy.com/rice_sheet_rolls_recipes.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/58da2fca-4aa7-4043-8c98-bde925bfc813/40029138998.pdfIn PDF document text
    • https://s3.amazonaws.com/xugigabitulu/65474360610.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2e4e1150-5a59-4264-8039-eec88f85c60d/jamaica_kincaid_girl_themes.pdfIn PDF document text
    • https://s3.amazonaws.com/pajeriramal/arabic_letters_connected_forms.pdfIn PDF document text
    • http://jujageritoxo.atwebpages.com/55209036249.pdfIn PDF document text
    • http://damikofem.rf.gd/63600115026.pdfIn PDF document text
    • https://s3.amazonaws.com/divelikubapiwaj/employee_interview_form_template.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_off0000dd45.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD45 5684 bytes
SHA-256: bd83184bc715c25a3b8a41d028aab754f0b0fb633eac05c9091d9b73b29fce78
font_01_sfnt_off0000f091.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF091 9860 bytes
SHA-256: c544c4145de6c866d5cc97d7d8c5a519da29aa22f33a4de0a6d7c79330ae4828

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