Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d3c6e526af644c7…

MALICIOUS

PDF

80.6 KB Created: 2021-03-05 23:04:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 2f8b2c549f96a82baf0015563f95cfb4 SHA-1: 5431a15d1f0e425f8662bed97620b4b9117a5e5a SHA-256: 3d3c6e526af644c7017227887c27d3602a524f4ad89c6e128a3d7114844195ae
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://soxebez.ru/strik?utm_term=netgear+prosafe+gs108t+default+ip PDF link annotation
    • http://esclick.pro/bosch_silence_plus_50_dba_stop_beepingoyc3h.pdfIn PDF document text
    • http://logmeinnow.xyz/23714870314ento9.pdfIn PDF document text
    • http://vzroslyh.net/336155980792ddfv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374851/normal_5fe9090bcbec1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414176/normal_6006b538601fc.pdfIn PDF document text
    • http://haifaiv.ru/lucifer_malayalam_movie_bible_quotesarb5c.pdfIn PDF document text
    • http://instapodarok365.site/para_que_sirve_el_te_de_manzanilla_y_mentatgn1p.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4376088/normal_6041c5bf82ebb.pdfIn PDF document text
    • http://dvigatel.guru/nuevo_uniforme_de_carabineros_de_chile9iefh.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410695/normal_6023e0a7a6640.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4370767/normal_5fdf341322c8e.pdfIn PDF document text
    • http://hisgohar.site/jumepezalugusevaryki5z.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/verirejon/id_card_design_template_ai_file.pdfIn PDF document text
    • https://s3.amazonaws.com/lopadivupudexa/lista_de_parabolas_de_jesus_en_la_biblia.pdfIn PDF document text
    • https://s3.amazonaws.com/zumezeviwakiz/40108164229.pdfIn PDF document text
    • https://s3.amazonaws.com/kigavanus/naxotobirutijoluzug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5a52c69e-c20c-4866-8f9f-b3a6c7ad794f/best_ios_mind_mapping_app.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/850f94b6-a811-4781-aadc-e73cff7deae0/estudio_del_trabajo_roberto_garcia_criollo_libro.pdfIn PDF document text
    • https://s3.amazonaws.com/widiku/how_to_draw_easily_step_by_step.pdfIn PDF document text
    • https://s3.amazonaws.com/jixerubowi/hollywood_movies_in_tamil.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_off0000f709.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF709 5564 bytes
SHA-256: ba0ee5a6f846164faa7a0721a4130e386d8d9e79e7ee3b5b00b5cfd7e8a51354
font_01_sfnt_off00010a0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A0E 13276 bytes
SHA-256: 6714fde8b09fe2947b8b00798f476a812145596abcd6928a2c411a3ddb144828