Malicious PDF — malware analysis report

Static analysis result for SHA-256 0a3e058fe8bb67f5…

MALICIOUS

PDF

64.8 KB Created: 2021-02-12 12:03:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: ceaf973038b5cf60ce8571e7f3f448dd SHA-1: b7d9ef4ae835cf3b21b9cb51ddacd2951a4e9c1a SHA-256: 0a3e058fe8bb67f5e8095eadc4871db041be942967b2026e1016361ddc780f32
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://druttle.ru/wix?keyword=bluffton+middle+school+ohio PDF link annotation
    • http://fakafegixir.iblogger.org/kekajofobumudikigaj.pdfIn PDF document text
    • https://cdn.sqhk.co/guzowozuk/jOhizW5/custom_cast_stone_fireplace_mantels.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4453329/normal_5feb56a11bc99.pdfIn PDF document text
    • http://gebatuvarak.66ghz.com/gezokepebifigifozanas.pdfIn PDF document text
    • https://cdn.sqhk.co/xiroxozalal/wbgfHig/71930588162.pdfIn PDF document text
    • https://cdn.sqhk.co/medujebukoma/agguhdj/95132258062.pdfIn PDF document text
    • https://cdn.sqhk.co/bolukawet/gVsPjhH/does_quest_diagnostics_have_a_patient_portal.pdfIn PDF document text
    • https://cdn.sqhk.co/wisivelu/gdIojiP/rexirukixonasabofanide.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447433/normal_5fece5b06282c.pdfIn PDF document text
    • http://bifitiguz.iblogger.org/atualizao_android_8._0_s7_edge.pdfIn PDF document text
    • https://cdn.sqhk.co/duvetezoje/dicibtZ/78094537582.pdfIn PDF document text
    • https://cdn.sqhk.co/mozoposowi/ijgieid/94637683279.pdfIn PDF document text
    • https://cdn.sqhk.co/jimikafede/GkepghM/lafaluvaxejun.pdfIn PDF document text
    • https://cdn.sqhk.co/busanurutar/jeugfH4/space_rangers_2_mission_guide.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://bavosezema.epizy.com/wowadi.pdfIn PDF document text
    • https://s3.amazonaws.com/vovopafubipu/99670194964.pdfIn PDF document text
    • http://kogivekadavan.rf.gd/logo_quiz_game_level_11_answers.pdfIn PDF document text
    • http://zakuvusebaj.epizy.com/catamaran_free_font.pdfIn PDF document text
    • http://nolepukopele.epizy.com/baseline_survey_methodology.pdfIn PDF document text
    • http://vatimofaxemog.rf.gd/hum_altbalaji_480p.pdfIn PDF document text
    • http://sonogobujajeva.rf.gd/27069503590.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_off0000c131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC131 5004 bytes
SHA-256: ffa38e133149ea80273c0f686667a14e3fefe541f1d4dc068e622e8395114060
font_01_sfnt_off0000d21f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD21F 10716 bytes
SHA-256: 48f5d311c07df07987beadf2328b35ab0666bb51c7c52ca513920780be35e598