Malicious PDF — malware analysis report

Static analysis result for SHA-256 27f26a2805325025…

MALICIOUS

PDF

102.9 KB Created: 2021-03-20 12:27:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 8fa136b7ecf62b6edd9d989c6f987006 SHA-1: 5c2dcdb531b0f7aefb668c82c2f5775bcb06d07d SHA-256: 27f26a28053250254adbc1c294b5ee9f798f442bcaf2e9b4e2dbbe79bea4066d
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 0.9998

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://nipisod.ru/wix?keyword=pathfinder+conjuration+wizard+feats PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4368984/normal_5ffbb80317df2.pdfIn PDF document text
    • http://ditoterelutas.sportsontheweb.net/paxojugekirilavepevofo.pdfIn PDF document text
    • http://rabisoluvilava.iblogger.org/tusamu.pdfIn PDF document text
    • http://vumegebopim.iblogger.org/process_of_performance_appraisal_in_hrm.pdfIn PDF document text
    • http://palopepidek.mypressonline.com/fusionner_un_document.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414489/normal_600e6d4f3145a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/prime_video_app_location.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/breakup_diary_shayari_image.pdfIn PDF document text
    • http://koraxirimaxodet.epizy.com/kindle_fire_hd_7_4th_generation_user_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/lupebesu/25823027469.pdfIn PDF document text
    • https://s3.amazonaws.com/nonabafat/california_dmv_study_guide.pdfIn PDF document text
    • http://domuromu.atwebpages.com/6815645458.pdfIn PDF document text
    • http://xupasafagimi.rf.gd/auriculoterapia_pontos.pdfIn PDF document text
    • http://rijonitapadon.myartsonline.com/ladder_safety_training_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tuletivotarupu/transformers_tiny_turbo_changers_series_2.pdfIn PDF document text
    • http://gadudadu.rf.gd/78232653896.pdfIn PDF document text
    • http://guradewididexep.epizy.com/adwords_fundamentals_certification_exam_answers.pdfIn PDF document text
    • http://nukilaba.myartsonline.com/philips_electric_pressure_cooker_hd2139_recipe_book.pdfIn PDF document text
    • http://xelizojavemaf.epizy.com/16110694161.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000148d1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x148D1 5176 bytes
SHA-256: 0c04bd80d997448a6568afc8ee630026481e185a9732c7b3d52117dc759a36ad
font_01_sfnt_off00015a72.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15A72 11440 bytes
SHA-256: 806def8abdff45eae381d25a542794e103e3555d47a2732c1b5f84069244a564
font_02_sfnt_off00018059.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18059 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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