Malicious PDF — malware analysis report

Static analysis result for SHA-256 451a16e680673a47…

MALICIOUS

PDF

66.5 KB Created: 2021-02-11 14:38:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 04531d1a0c1d8ab0ac68de2a3eb632aa SHA-1: 0389a193dc3c13f15b6096ee34924f16af93960d SHA-256: 451a16e680673a478270513307f5d3e530631c0d232b37510535730265a14f0f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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=wifi+analyser+apk+download PDF link annotation
    • https://cdn.sqhk.co/pixefavenar/jbhcAea/51952012185.pdfIn PDF document text
    • https://bekajujoxofutit.weebly.com/uploads/1/3/1/4/131406668/eab0267f749745.pdfIn PDF document text
    • https://cdn.sqhk.co/netimupoxojo/6hfijgc/59264844923.pdfIn PDF document text
    • http://cloudplay.xyz/upload_to_google_docsv45wi.pdfIn PDF document text
    • https://cdn.sqhk.co/remigalakefo/gzsicib/4_word_link_game_answers.pdfIn PDF document text
    • https://xirovule.weebly.com/uploads/1/3/4/7/134749068/zuwutivutojizi.pdfIn PDF document text
    • http://rewuvov.iblogger.org/ielts_reading_practice_2018_with_answers.pdfIn PDF document text
    • https://cdn.sqhk.co/datolabevev/fgggIRT/japanese_woodworking_classes_los_angeles.pdfIn PDF document text
    • https://novigavaze.weebly.com/uploads/1/3/0/8/130874354/sorakis-wuvofaz-janolijuni-ramikenopu.pdfIn PDF document text
    • http://lnstagramoriginal.com/class_9_science_ncert_solutions_chapter_14vk16v.pdfIn PDF document text
    • http://lenudes.com/ligaloluxujojazomowemamavhpyo.pdfIn PDF document text
    • http://zuwigef.22web.org/rajunibugojatumupove.pdfIn PDF document text
    • https://bojibelatos.weebly.com/uploads/1/3/4/0/134040608/fewopufewuxez-tinesis-vekivuxoxiti.pdfIn PDF document text
    • https://cdn.sqhk.co/fotenulutis/chhjhhe/todd_rundgren_looks_like_liv_tyler.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pixagikaw.epizy.com/folur.pdfIn PDF document text
    • https://s3.amazonaws.com/rekorewexidiwo/13th_finance_commission_report.pdfIn PDF document text
    • http://gemesiwexalizel.epizy.com/pirates_of_the_caribbean_soundtrack_free.pdfIn PDF document text
    • http://vamudijikepefos.rf.gd/lufavori.pdfIn PDF document text
    • http://wadokeg.epizy.com/wewidokigamafarafajed.pdfIn PDF document text
    • https://s3.amazonaws.com/vavale/migavew.pdfIn PDF document text
    • http://texatutegelemov.rf.gd/canada_visa_application_form_imm_5257_e.pdfIn PDF document text
    • https://s3.amazonaws.com/wefadep/23665660927.pdfIn PDF document text
    • https://s3.amazonaws.com/zuponefi/simululibob.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_off0000c82d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC82D 5308 bytes
SHA-256: 033e24256fe860b4605b46dfefc2d7b428f54d014dad574b44f6dd286fef2078
font_01_sfnt_off0000da6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA6E 10016 bytes
SHA-256: feea2e1d8c775011f2ef1daedd0d777712d985c997545b8ab91536aaf2b3c67e