Malicious PDF — malware analysis report

Static analysis result for SHA-256 65d07eb5e4b436ad…

MALICIOUS

PDF

76.9 KB Created: 2021-03-29 15:17:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b531d5ddce58a995fa6fa8d4bedf021a SHA-1: ac8e03c7ceefc6d9ed3aca772cc5baaa4963a7f1 SHA-256: 65d07eb5e4b436ad968c77ab47b7b467e92b37c2a5f5051137c91490af3c7c7d
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9960

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xajibur.ru/award?keyword=makkar+ielts+writing+task+1+pdf+download+free PDF link annotation
    • http://mamuzomilap.iblogger.org/vonan.pdfIn PDF document text
    • http://deworul.22web.org/witefivirewi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393632/normal_5fe4597c3f621.pdfIn PDF document text
    • http://kusowuwazugup.22web.org/1580404674.pdfIn PDF document text
    • http://konifipajig.iblogger.org/dyson_dc25_blocked_hose.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421210/normal_5fc676c95295e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459164/normal_6025b850cf3e7.pdfIn PDF document text
    • http://kevotefanevodaw.iblogger.org/cinemax_nitra_babsk_jazda.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4422640/normal_5ffa7f8d231c0.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/nemafu/59299426014.pdfIn PDF document text
    • https://s3.amazonaws.com/vokeri/how_to_sketch_mountains_step_by_step.pdfIn PDF document text
    • https://s3.amazonaws.com/paropabaru/filemaker_pro_template.pdfIn PDF document text
    • https://s3.amazonaws.com/tenunud/hyperloop_seminar_report.pdfIn PDF document text
    • https://s3.amazonaws.com/zetubakuz/how_to_use_a_ti_84_calculator_online.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2704b6b2-77c9-49b5-bc70-0050a384215f/what_is_contrast_in_art_and_design.pdfIn PDF document text
    • https://s3.amazonaws.com/duzexefemosaxe/79920946700.pdfIn PDF document text
    • http://luruloligof.rf.gd/armaan_bedil_new_song_video.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2c36b2f3-638b-4f38-963b-ed2684d19620/apple_ipod_nano_1st_generation.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f41cc110-2188-4f12-bf64-67c5f27b8f7a/how_to_install_brother_hl2270dw_wireless.pdfIn PDF document text
    • http://mudotepejix.epizy.com/excel_agile_backlog_template.pdfIn PDF document text
    • https://s3.amazonaws.com/ratixifo/folagawadede.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c4748acb-1281-453c-bbb5-b83ce8c3ff66/72435251471.pdfIn PDF document text
    • http://pifazudiso.rf.gd/vaxisowabimufuzupaxarob.pdfIn PDF document text
    • http://lakobomupixa.epizy.com/ansys_hfss_installation_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c90f11b8-f6a7-4955-810b-7859cc33cb25/probability_worksheet_high_school.pdfIn PDF document text
    • http://zujewutaze.epizy.com/hyatt_brand_standards.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ee89.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE89 5420 bytes
SHA-256: f9ca0a2eee852444564556203a8f5efae637d32c9158a26ec7ef64c3a3ddd4fa
font_01_sfnt_off00010131.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10131 10872 bytes
SHA-256: adac8c5d32873f217720f6be3c611091874b8d6a38f5e960f003714574365bfd

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