Malicious PDF — malware analysis report

Static analysis result for SHA-256 174c77c8b7c5b6e9…

MALICIOUS

PDF

66.2 KB Created: 2021-02-16 11:43:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 1003db75aa54dcd5500d3beef72b7c4e SHA-1: ad8bf5d36e4d23e1bae5011f57bb13915ce3be5f SHA-256: 174c77c8b7c5b6e9958e2fae606c7a2296e7afb59b2f85aee53d03068d05ac8c
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://baarspo.ru/wix?keyword=doppio+ring+ring+ringtone PDF link annotation
    • https://cdn.sqhk.co/gidufulelav/3iahbOk/cure_in_chinese_language.pdfIn PDF document text
    • http://rankingcoach-seo.com/bawegafd11o.pdfIn PDF document text
    • http://digitalmicroteter.xyz/medabot_game_onlinenuuvs.pdfIn PDF document text
    • http://aycotoro8.xyz/star_wars_clone_wars_cast_season_7g8k9g.pdfIn PDF document text
    • https://nakeripa.weebly.com/uploads/1/3/2/8/132814262/ac8a33d.pdfIn PDF document text
    • http://vevolim.iblogger.org/89028358631.pdfIn PDF document text
    • https://negijozizur.weebly.com/uploads/1/3/0/7/130775009/fumasodoniro_depiga_zufogut.pdfIn PDF document text
    • https://cdn.sqhk.co/vakenuda/PggWice/infinite_minigolf_ps4_gameplay.pdfIn PDF document text
    • https://cdn.sqhk.co/finulepaf/gfVKnUO/942053144.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/regufojalojaza/chevrolet_camaro_2012_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/zidosozawok/battlefield_4_premium_ps3_free.pdfIn PDF document text
    • http://kowewewabozete.epizy.com/bostitch_6_gal_air_compressor_manual.pdfIn PDF document text
    • http://ruxuvejefo.epizy.com/2934088518.pdfIn PDF document text
    • http://tidewoxawutose.epizy.com/android_9._0_google_play.pdfIn PDF document text
    • http://xefavab.rf.gd/wavemuvep.pdfIn PDF document text
    • http://bisetazixu.epizy.com/cbre_cap_rate_report_q2_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/tulosa/mivida_master_plan.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_off0000cbab.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBAB 4564 bytes
SHA-256: 8b8beee976968cf915c69aa1f16ae54349c6d564f554c56d26f35820d3bd7a21
font_01_sfnt_off0000db4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB4B 9576 bytes
SHA-256: ec72dff941af6fce75ae96a989fbec1e77273ea1463bc560949cc585f356c83b