Malicious PDF — malware analysis report

Static analysis result for SHA-256 3455d6a39caa5f67…

MALICIOUS

PDF

71.7 KB Created: 2021-02-17 17:49:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 56170271be99bae6a55212d234cce705 SHA-1: 422f305e3964f95cf983c970fd352fb9f61e47c7 SHA-256: 3455d6a39caa5f6775e7d3db531dca47868e89f993734c8c53818ee5288291b8
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://jottigo.ru/wix?keyword=natural+community+vs+ecosystem PDF link annotation
    • http://filfex.ru/pofipafivuboxupulipuxpvwmo.pdfIn PDF document text
    • http://fdvsefwfrw.space/watch_movies_online_hd_movies_freex7kij.pdfIn PDF document text
    • http://erethiztzj.space/sandra_hill_rough_and_readye7c3e.pdfIn PDF document text
    • https://zobimodajozo.weebly.com/uploads/1/3/4/3/134340865/gukaxuridaw-vadop.pdfIn PDF document text
    • https://bobelijanufav.weebly.com/uploads/1/3/5/9/135960041/fopaku.pdfIn PDF document text
    • https://jamelowo.weebly.com/uploads/1/3/1/6/131606155/gotet_vikoxepefujov_bijipozonokeb_bosut.pdfIn PDF document text
    • https://nugijokokul.weebly.com/uploads/1/3/0/9/130969158/9869705.pdfIn PDF document text
    • https://wiguvizokon.weebly.com/uploads/1/3/0/7/130776253/5426560.pdfIn PDF document text
    • https://xufevojulan.weebly.com/uploads/1/3/1/3/131384667/guzow-falosubaxup-nefixamejepa-zipuguxu.pdfIn PDF document text
    • http://rollernefritmassage.xyz/decimal_word_problems_7th_grade_worksheet21shw.pdfIn PDF document text
    • https://kibanelamuvudu.weebly.com/uploads/1/3/0/9/130969844/7723063.pdfIn PDF document text
    • https://xufevojulan.weebly.com/uploads/1/3/1/3/131384667/5700c47d0b.pdfIn PDF document text
    • https://cdn.sqhk.co/xarozowuzosa/jhg2S2Y/turbo_drag_race_engines.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zuzipidagazetu.rf.gd/elgar_cello_concerto_sheet_music.pdfIn PDF document text
    • http://kibululugavi.epizy.com/khud_aqeedah.pdfIn PDF document text
    • https://s3.amazonaws.com/viromibukoleliw/99655070980.pdfIn PDF document text
    • https://s3.amazonaws.com/tidigudetefumof/avast_virus_definition_file_free.pdfIn PDF document text
    • https://s3.amazonaws.com/gedexim/52511224690.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_off0000dd8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD8A 5076 bytes
SHA-256: 77ae2a06c83975f1cc9955d21f935535e425cd40b21b85cb635febcc8f0b67f1
font_01_sfnt_off0000eec7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC7 10208 bytes
SHA-256: 84adabc918ca232d30a423357f07d077e3f485c23800144ef5afd47292997c0a