Malicious PDF — malware analysis report

Static analysis result for SHA-256 86223fa283f4ae20…

MALICIOUS

PDF

71.6 KB Created: 2021-02-24 03:41:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-19
MD5: 598e976f3c45026132156dadee44f757 SHA-1: c9d4af759f882554d2bffe765d5b8b892efbc9f5 SHA-256: 86223fa283f4ae20b34bd4c7613f57f5497cc91369731de643afeed333018aef
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://leonvi.ru/wix?keyword=risk+of+rain+2+rex+dunked PDF link annotation
    • http://domainlimax.xyz/rupinder_gandhi_photoewmt5.pdfIn PDF document text
    • https://cdn.sqhk.co/benibavagoge/djhftif/elements_massage_scottsdale_north.pdfIn PDF document text
    • http://igcopyrightclient.com/que_significado_tiene_la_pelicula_el_hoyoir2z5.pdfIn PDF document text
    • https://cdn.sqhk.co/rekewuneboxu/sYhhHhd/2484151350.pdfIn PDF document text
    • https://zetizisoxaw.weebly.com/uploads/1/3/4/4/134498522/sasovovura-sowote-xuseradisaru-kaxugemalap.pdfIn PDF document text
    • https://metekazup.weebly.com/uploads/1/3/2/8/132815755/wofowuno_rikumuxininawi.pdfIn PDF document text
    • https://rasazumeg.weebly.com/uploads/1/3/1/4/131454762/wijixojakasosewuxafe.pdfIn PDF document text
    • https://cdn.sqhk.co/ragejeli/nhflYhh/jack_s_world_new_york.pdfIn PDF document text
    • http://qrastenmap.online/the_walking_zombie_dead_city_free_downloadbybqs.pdfIn PDF document text
    • http://boomua.site/the_last_wizard_walkthroughvlk6w.pdfIn PDF document text
    • http://trokot-shopnew.online/ripebovuzomufi3nh5.pdfIn PDF document text
    • https://cdn.sqhk.co/jemitaso/cCDgfid/death_of_azaria_chamberlain_documentary.pdfIn PDF document text
    • https://mogatuzutixu.weebly.com/uploads/1/3/4/6/134684840/zonosexixavoraxapum.pdfIn PDF document text
    • https://nonokutofukidob.weebly.com/uploads/1/3/4/8/134872148/xoboxiduto.pdfIn PDF document text
    • https://cdn.sqhk.co/kanemili/amLjedG/prestonplayz_minecraft_skin_download.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/juvuraguvutoxif/ijazat_movie_full_song.pdfIn PDF document text
    • https://s3.amazonaws.com/tapexiw/honda_cbr250rr_mc22_service_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/jitimesolagun/top_10_free_rpg_games_for_android.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dd75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDD75 5140 bytes
SHA-256: f45db084f70c500dc82cd495c20d79c0d8a795fd5cfc8fefb2f5187d2bdf352a
font_01_sfnt_off0000ef0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF0F 10040 bytes
SHA-256: 62c7f8cdd526466919c4df6cbed33f57359b40fc8310100b8b31a8783c547916

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