Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e6a50c84d1d0ce0…

MALICIOUS

PDF

72.6 KB Created: 2021-02-23 21:38:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 76980464b7bf0907e8dc0a5bab1695f0 SHA-1: 5dd87822426d97f1816c7746ba12902faf870807 SHA-256: 9e6a50c84d1d0ce003f03d0604070e23a5624d06d04316063ea8f40c8597a542
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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=lone+survivor+pdf+free+download PDF link annotation
    • https://cdn.sqhk.co/doginifa/midhfEW/free_robux_no_verification_no_download.pdfIn PDF document text
    • http://lesagotefawa.22web.org/receptionist_administrative_assistant_job_description_template.pdfIn PDF document text
    • https://xajomorunineg.weebly.com/uploads/1/3/1/3/131383441/zowowejil_selatizejewobap.pdfIn PDF document text
    • https://gononazenikemad.weebly.com/uploads/1/3/4/4/134482012/ab6c104b93e80d.pdfIn PDF document text
    • http://wigobonimedex.iblogger.org/muvimepenijeteponijalapon.pdfIn PDF document text
    • http://dipewafotowagu.22web.org/mawelap.pdfIn PDF document text
    • https://cdn.sqhk.co/moromasi/5jejcge/11192406299.pdfIn PDF document text
    • http://ziwumununazofal.iblogger.org/joint_cdf.pdfIn PDF document text
    • https://cdn.sqhk.co/pekobenew/GgfT0NY/5152374599.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nijorirofebonin.epizy.com/recurrent_candida_vulvovaginitis_treatment_guidelines.pdfIn PDF document text
    • http://vimitafukufes.rf.gd/banshee_season_3_subtitles.pdfIn PDF document text
    • http://juzavogubi.rf.gd/android_apps_on_apple_ipad.pdfIn PDF document text
    • https://s3.amazonaws.com/wokesabisevo/bichagadu_cinema_video_songs.pdfIn PDF document text
    • http://beritoka.rf.gd/dominant_and_recessive_alleles_worksheet.pdfIn PDF document text
    • http://tufopabapud.rf.gd/mysql_string_to_datetime_24_hour_format.pdfIn PDF document text
    • http://wofofuzumoju.rf.gd/appleyard_becoming_a_reader.pdfIn PDF document text
    • http://xoradodi.epizy.com/antivirus_microsoft_security_essentials_32_bit.pdfIn PDF document text
    • http://zujewutaze.epizy.com/how_to_add_honeywell_thermostat_to_wifi.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/79474015128.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/30695991430.pdfIn PDF document text
    • https://s3.amazonaws.com/bewibiwat/55653897352.pdfIn PDF document text
    • http://tijiwef.epizy.com/lol_kayle_jungle_guide.pdfIn PDF document text
    • http://simipibenafar.epizy.com/94526753906.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_off0000df21.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDF21 5128 bytes
SHA-256: 953eaa63a9cc038888c5f0075fd9293d11e2831acf01dbe786b4868a6b3011b3
font_01_sfnt_off0000f0ba.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0BA 10472 bytes
SHA-256: b88987856bc7bce70395de9b3b2c6387e8285eddecb1b13b526d8c32148bac2f

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