Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e22da89647bacfa…

MALICIOUS

PDF

68.8 KB Created: 2021-02-14 18:43:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 10e3278832f83471a6f1ca1367606006 SHA-1: 52a39e4643054855a8e741ad4367d44ce276b4c5 SHA-256: 7e22da89647bacfa21eba4a189aa6664b2f410fad1f7ae40f948dfd202216d11
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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=singular+and+plural+pronouns+worksheets+for+grade+2 PDF link annotation
    • https://cdn.sqhk.co/tevimuwijile/dgcsgcc/vex_robotics_space_building_kit_review.pdfIn PDF document text
    • https://cdn.sqhk.co/kewixoretuze/gcLEm16/mogapevuxisigaboba.pdfIn PDF document text
    • http://rapisakaxo.66ghz.com/wexikolavovejopobaladug.pdfIn PDF document text
    • http://nubebukexowi.66ghz.com/5606451091.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482636/normal_5fe251cde611f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486356/normal_5ff46956a4170.pdfIn PDF document text
    • https://gomosonu.weebly.com/uploads/1/3/2/7/132712120/930963f6b2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4454432/normal_5fc7e872d9f7c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417980/normal_6004c1cacee2d.pdfIn PDF document text
    • https://cdn.sqhk.co/pibilebomek/ha6Md8h/zivinoxopejevivuxogo.pdfIn PDF document text
    • https://bogobesupagal.weebly.com/uploads/1/3/0/7/130775478/fuwogup-kukofofitapi-sonoxogu.pdfIn PDF document text
    • http://tawojerikopopud.iblogger.org/ba_1_sem_date_sheet_2019_gndu.pdfIn PDF document text
    • https://sawuwirepugasup.weebly.com/uploads/1/3/0/9/130969548/mofusuv_zefadimim.pdfIn PDF document text
    • https://cdn.sqhk.co/wakivunet/mDjaKEe/60209965283.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://topotiras.rf.gd/ar_lens_camera_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/jowutoneranemuk/pamegeravu.pdfIn PDF document text
    • http://kobukapun.epizy.com/adjectives_worksheets_for_4th_grade.pdfIn PDF document text
    • http://guradewididexep.epizy.com/manualidades_con_papel_china_bolas.pdfIn PDF document text
    • http://pokitudid.epizy.com/tramitar_curp_nuevo_formato.pdfIn PDF document text
    • https://s3.amazonaws.com/peveziwoguxuzam/balanced_body_allegro_2_reformer_australia.pdfIn PDF document text
    • http://gedaseda.rf.gd/example_feasibility_study_report_software_development.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_off0000cff3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFF3 5696 bytes
SHA-256: 4aaf08f16c50dc53fe5a069c80c7571a6c344e81ef8071d6b9f0f21ebd770a04
font_01_sfnt_off0000e360.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE360 9916 bytes
SHA-256: 201ffbb9e52d8bce9bfe26ec9136e75957bc7820c5c1944f7228ae9c8eda97db

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