Malicious PDF — malware analysis report

Static analysis result for SHA-256 d393f1ee7f983450…

MALICIOUS

PDF

70.6 KB Created: 2021-02-20 11:21:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: bcb399d9e0c072b6e5a4091502d30e37 SHA-1: 005dfd14315b228980365d3f3545b5be505f196f SHA-256: d393f1ee7f983450dd2ed0d7719524fc88550d6f6d9c7ff83db48439f3cfeb20
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jacksth.ru/wix?keyword=bingo+bash+cheats+2020 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4485828/normal_600d85d742334.pdfIn PDF document text
    • https://nelejezubifub.weebly.com/uploads/1/3/1/4/131406077/vibuginodatisal.pdfIn PDF document text
    • https://fanamiwa.weebly.com/uploads/1/3/4/0/134013174/jisebadubupozusilo.pdfIn PDF document text
    • https://mogijoduvide.weebly.com/uploads/1/3/0/8/130814471/6359958.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446942/normal_5fed62ce59850.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4467038/normal_602d24da21099.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366952/normal_5fcc36c04cf1f.pdfIn PDF document text
    • http://kowekigoduze.iblogger.org/1000_abaddalu_telugu_full_movie.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388173/normal_5fefde84d1a6f.pdfIn PDF document text
    • https://cdn.sqhk.co/toxinize/dszHie0/86529552132.pdfIn PDF document text
    • https://pexasuwen.weebly.com/uploads/1/3/4/5/134593650/3547316.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4471509/normal_5fe1ab9a5be7e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482206/normal_5fc761dce4782.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://desakoda.rf.gd/51659681396.pdfIn PDF document text
    • https://s3.amazonaws.com/wizakokowe/99681315491.pdfIn PDF document text
    • http://wuresuju.epizy.com/soulseek_music_for_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/xeropizuwe/gelezuwivewuse.pdfIn PDF document text
    • http://pisironebininuw.rf.gd/69545919821.pdfIn PDF document text
    • https://s3.amazonaws.com/tevigotu/kivetifevature.pdfIn PDF document text
    • https://s3.amazonaws.com/zeworibuzoza/anjali_bhardwaj_new_song.pdfIn PDF document text
    • http://xivutunitilema.epizy.com/traduction_anglais_francais_fichier_gratuit.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c7b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7B1 5184 bytes
SHA-256: 96aa894a0c64800c3c8a3491250567af985c91b134c19319dc0e0e0d49812b4c
font_01_sfnt_off0000d946.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD946 11200 bytes
SHA-256: 285255a799e8a0b564b99b25c6e1f2ec7a0a8b28d19524fe676437eec626e13c
font_02_sfnt_off0000ff4e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF4E 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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