Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa2168d7634a1b52…

MALICIOUS

PDF

76.8 KB Created: 2021-03-22 01:01:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: b282aafe10bc20ab17699b6c71e84702 SHA-1: 833a710dc6b79b5414e5a6883485599acf445437 SHA-256: fa2168d7634a1b520ef2814ed97bfda073c875d30efd231ae831ff4bffe934f0
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 0.9993

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://ponafet.ru/strik?utm_term=how+to+master+the+art+of+selling+tom+hopkins+pdf+download PDF link annotation
    • https://cdn.sqhk.co/xinulezebi/ihhxjcY/58790496767.pdfIn PDF document text
    • https://cdn.sqhk.co/pevedapev/ijnjeid/onkyo_hf_player_android_review.pdfIn PDF document text
    • http://jadogaxarabu.mygamesonline.org/rainbow_fish_download.pdfIn PDF document text
    • https://cdn.sqhk.co/japanakoga/jepjbif/spider_gwen_comic_free.pdfIn PDF document text
    • https://cdn.sqhk.co/jivonaxadu/d9CdVxN/sexopaperi.pdfIn PDF document text
    • http://pelubexeto.getenjoyment.net/approximation_questions_for_bank.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418399/normal_601b7f18d4698.pdfIn PDF document text
    • http://xizunamorazoved.iblogger.org/grade_9_english_grammar_worksheets.pdfIn PDF document text
    • http://wuxolikuxa.22web.org/15402986441.pdfIn PDF document text
    • https://cdn.sqhk.co/gawukale/uidWjid/45979697985.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421058/normal_6057c395556c5.pdfIn PDF document text
    • http://muzesumulel.getenjoyment.net/research_proposal_sample_in_educational_psychology.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://muvalinifotu.rf.gd/update_for_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/zazelujeju/wojimita.pdfIn PDF document text
    • https://s3.amazonaws.com/dobikasukavu/87335434122.pdfIn PDF document text
    • https://s3.amazonaws.com/zunewidimem/twin_xl_fitted_sheet_satin.pdfIn PDF document text
    • http://wiwekire.epizy.com/gosedesizuv.pdfIn PDF document text
    • http://dowafirowelumex.atwebpages.com/agriculture_class_10_cbse.pdfIn PDF document text
    • https://s3.amazonaws.com/bexolamabad/ultimate_rpg_character_backstory_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/mexavofezoxi/5266165417.pdfIn PDF document text
    • http://bumurulepowele.myartsonline.com/common_pronunciation_mistakes_in_english_for_chinese_speakers.pdfIn PDF document text
    • https://s3.amazonaws.com/zesotat/tawewad.pdfIn PDF document text
    • https://s3.amazonaws.com/vabedafozo/can_bus_protocol_tutorial.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_off0000ee19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE19 5572 bytes
SHA-256: f759e234f63d967560d7991725335af8c07ebb967caee4bcf69da713676cd1d5
font_01_sfnt_off000100f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x100F2 10700 bytes
SHA-256: 0c859c71b8ad233daf08993187900cd3dfd6996f1418b5b222f4c5ca6d9c4c34

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