Malicious PDF — malware analysis report

Static analysis result for SHA-256 b80aef0d915d01e8…

MALICIOUS

PDF

79.6 KB Created: 2021-03-17 15:18:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 39751dcca11ecec216f7484e3c6b0270 SHA-1: 20b479fcdb7f85642913d656132522b361487ce0 SHA-256: b80aef0d915d01e881f575b9b97ae0acfe43aa726deb8757d58f36cab382a30a
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 0.9993

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://maypoin.ru/award?keyword=common+drug+suffixes+pdf PDF link annotation
    • http://mavitrade.com/23848718773vfc06.pdfIn PDF document text
    • http://itgermany.net/venn_diagram_questions_and_solutionslma90.pdfIn PDF document text
    • http://blockingscenery.com/canvas_business_model_book5zsfh.pdfIn PDF document text
    • http://8gusevshop.space/vefemisawediwomeriwukapmukyl.pdfIn PDF document text
    • http://trafikcezaodebayisi.com/61488817664f6fl2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://petefuzaz.epizy.com/askep_pada_bblr.pdfIn PDF document text
    • http://fomabobas.epizy.com/catalogo_3_avon_2019.pdfIn PDF document text
    • http://kugefosames.rf.gd/51376844018.pdfIn PDF document text
    • https://s3.amazonaws.com/kisagoz/free_music_to_ipod_without_computer.pdfIn PDF document text
    • https://s3.amazonaws.com/pexodugosa/conflict_minerals_reporting_template_example.pdfIn PDF document text
    • http://nowapuporab.epizy.com/bepusopapa.pdfIn PDF document text
    • https://s3.amazonaws.com/sukedil/toronto_traffic_report_don_valley_parkway.pdfIn PDF document text
    • http://zudozam.epizy.com/pdf_reader_like_book_for_android.pdfIn PDF document text
    • http://bewimovope.epizy.com/fsa_writing_rubric_grade_8_argumentative.pdfIn PDF document text
    • https://s3.amazonaws.com/zukogi/66988168162.pdfIn PDF document text
    • https://s3.amazonaws.com/gozifep/19077516643.pdfIn PDF document text
    • https://s3.amazonaws.com/duzexefemosaxe/pifuwe.pdfIn PDF document text
    • http://rawuwad.epizy.com/lewis_structure_worksheet_3_bf3.pdfIn PDF document text
    • http://degedudu.rf.gd/nidol.pdfIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/movies_tamil_new_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/kabisebax/kexufamorofodivodefe.pdfIn PDF document text
    • http://fevelejuji.epizy.com/ipad_mini_2_2nd_generation_case.pdfIn PDF document text
    • https://s3.amazonaws.com/xipavir/40564815848.pdfIn PDF document text
    • https://s3.amazonaws.com/fajeloninesitel/yammer_group_owner_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tixeligufokup/john_donne_metaphysical_poetry.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_off0000fc08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC08 5092 bytes
SHA-256: 6c5693c8e323b49d5007a99236809cc8cee758f8439ed57ef3281ceb89c1ba63
font_01_sfnt_off00010d4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D4B 10580 bytes
SHA-256: d8ab39c6e7669fe7d7f6967370aa470f70f0fd5867774824bfbbe713b04d4e55

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