Malicious PDF — malware analysis report

Static analysis result for SHA-256 053204fefa68a202…

MALICIOUS

PDF

76.1 KB Created: 2021-04-08 23:44:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 6397f6427bfc7166d57874197e38ddc0 SHA-1: e5529d55bbdf76a7bc8f76e8f1da7618393339ba SHA-256: 053204fefa68a202f805cbe5546ca97eed680c7e3593a4e2212731d02a1ada26
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, masquerading as a search result. This technique is commonly used in phishing campaigns to direct users to malicious websites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

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://resalured.ru/strik?utm_term=how+long+does+a+chrysler+town+and+country+last PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4446260/normal_5ffbeba251f68.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4386076/normal_5ffa88f4ef8ef.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392199/normal_5fee7f9639c5f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454163/normal_601e72dc85bad.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4380230/normal_603bf3eba57be.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416660/normal_604d2a89aa7eb.pdfIn PDF document text
    • http://metilukizitase.iblogger.org/giveraposoxosinozimajifid.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411691/normal_5fc7f4ce9339a.pdfIn PDF document text
    • http://xerometofu.iblogger.org/the_landlady_google_docs.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387242/normal_6006c56428625.pdfIn PDF document text
    • http://rorujav.22web.org/21151906398.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://buvupopeg.rf.gd/convert_to_editable_word_free_ocr.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9dd086e2-7ff2-4c48-898c-b4bdf4ccc45c/xadomunusixak.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/372c6cb2-7097-404c-81df-49027b5798c7/the_maze_runner_2014_dual_audio_720p_movie_download.pdfIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/zekirezig.pdfIn PDF document text
    • https://s3.amazonaws.com/figidireki/bitan.pdfIn PDF document text
    • https://s3.amazonaws.com/fewifuwu/multiple_integrals_cheat_sheet.pdfIn PDF document text
    • http://zaxawogaxema.epizy.com/zefekapufoxifabopineg.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/51539393843.pdfIn PDF document text
    • http://ferogexomemu.rf.gd/chitarra_acustica_ibanez_performance.pdfIn PDF document text
    • http://vagasobewinepu.rf.gd/dell_optiplex_3010_i5_3470_motherboard.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/45accaec-6a21-4dbf-bc93-9629f0042355/sharp_aquos_70_inch_tv_specs.pdfIn PDF document text
    • http://jojisoxig.epizy.com/unit_10_biology_benchmark_test_review_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/supefujoxopubu/context_clues_worksheets_8th_grade.pdfIn PDF document text
    • http://vidunusebubor.epizy.com/47794312965.pdfIn PDF document text
    • http://gedanenek.epizy.com/wotusag.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_off0000eb6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB6F 5356 bytes
SHA-256: 3c3643b6c136e80e533b9680b6739718e69ecae5fb2dd309f52ccc2de6b9e99d
font_01_sfnt_off0000fdb6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFDB6 10844 bytes
SHA-256: 1833d39db37c38f124699b2f4f40e9964c506cde46669208d1f982b975238074

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