Malicious PDF — malware analysis report

Static analysis result for SHA-256 1b52b605a030cc32…

MALICIOUS

PDF

77.6 KB Created: 2021-03-30 14:15:13 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: caaa487984545a0f6a31c14071b337cd SHA-1: 8204d51718fc797a039e60c0d5529ee0faa79a06 SHA-256: 1b52b605a030cc323f81c4ff824b61f04963e440ddccef924c220773a5f24f7d
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, references 'Psycho Pass Dominator Blueprint', likely a lure to entice clicks on the embedded URLs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

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://bologen.ru/wix?keyword=psycho+pass+dominator+blueprint PDF link annotation
    • https://cdn.sqhk.co/togixulala/ghkieUJ/85227815391.pdfIn PDF document text
    • http://jikusofare.mywebcommunity.org/34551845957.pdfIn PDF document text
    • http://all-host.site/wapking_movie_2015_hd_bollywood5ejvj.pdfIn PDF document text
    • https://cdn.sqhk.co/dozirolizilu/jhFhbia/fupoz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403263/normal_5fdadf41dbe9a.pdfIn PDF document text
    • http://czecheducation.space/genopenaxnu6d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374857/normal_60524bc1064c9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484635/normal_603368260b142.pdfIn PDF document text
    • https://cdn.sqhk.co/vazoguzo/EHWifhb/geometric_octopus_tattoo_design.pdfIn PDF document text
    • http://lianhua.life/ccleaner_pro_apk_terbaruoc8nr.pdfIn PDF document text
    • http://kojenobowi.iblogger.org/what_does_the_bible_say_about_comfort_and_joy.pdfIn PDF document text
    • https://cdn.sqhk.co/zofagopipowi/hewghic/best_archero_hero_build.pdfIn PDF document text
    • https://cdn.sqhk.co/zowonefaso/tNNhhtZ/zemefimemibigiteboxer.pdfIn PDF document text
    • http://0fruits.space/787473961181je3c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pavabiza.atwebpages.com/99639893500.pdfIn PDF document text
    • http://xalikitu.epizy.com/paulo_coelho_libros_el_alquimista.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c14f416d-89c5-4e95-bca3-2db706c19017/piwazukofev.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8185a001-05ee-4a90-a876-117248c753ec/how_to_program_overhead_legacy_garage_door_opener.pdfIn PDF document text
    • http://widafasamuj.epizy.com/jurassic_park_theme_sheet_music.pdfIn PDF document text
    • http://goduzidexemave.epizy.com/38608287688.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b1eeb2ae-b144-4038-bc93-72c087814d9d/voxubekatogopazemixuzud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/568f1caa-41e1-40ae-8912-bad307c1cbda/how_to_use_a_dymo_labelwriter_4xl.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/34c593a3-30f2-4319-b5f2-ed9e67b846d3/what_are_some_good_basketball_dribbling_drills.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_off0000f16e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF16E 5556 bytes
SHA-256: 970c83c47e450d058bea3bc9e0daf714e346a7e2393cb48f47115dceaac2c213
font_01_sfnt_off00010423.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10423 10900 bytes
SHA-256: da2cb548db50a0e69505bd150590e8e5c6d2697cc33ce99c41c1d48c98d2c145

Open this report in the interactive analyzer, or submit your own file for analysis.