Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c80038bb162260e…

MALICIOUS

PDF

69.8 KB Created: 2021-04-29 09:26:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: df734bec04eba697999f88cb1854e7b3 SHA-1: 22ed68cbc1a71533b387e79323162c0a500ca513 SHA-256: 7c80038bb162260e42f07110fce4ce26e567baa99fc2e1d074ac15ef190a85b2
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 0.9996

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://botokaw.ru/strik?utm_term=sony+bdv-e2100+-+5.1+home+cinema+set+review PDF link annotation
    • http://vowufijetapiko.sportsontheweb.net/crossword_puzzles_for_seniors.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416299/normal_6001ffdcd787a.pdfIn PDF document text
    • http://tututot.mygamesonline.org/4896952914.pdfIn PDF document text
    • http://nofubajabuv.medianewsonline.com/article_writing_for_class_11.pdfIn PDF document text
    • http://liwadaxezaf.getenjoyment.net/latin_for_dummies_review.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477658/normal_60654ed31b9b8.pdfIn PDF document text
    • http://kekanavaresem.iblogger.org/gilabupuz.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/9aaf565d-98f2-48a6-a03c-d9a667dabc6a/what_is_a_data_science_practitioner.pdfIn PDF document text
    • http://pixutuvaw.rf.gd/mcq_of_data_communication_and_networking.pdfIn PDF document text
    • http://lolodagizena.rf.gd/winedanuxeboga.pdfIn PDF document text
    • http://lugifer.onlinewebshop.net/kijifosasodepagiwar.pdfIn PDF document text
    • https://s3.amazonaws.com/pewibim/47605399320.pdfIn PDF document text
    • https://s3.amazonaws.com/zuvovoxigumuz/luzagosobemekit.pdfIn PDF document text
    • https://s3.amazonaws.com/nafamaragisek/buckingham__theorem.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bd03caf5-c740-4d51-a84c-661c6c70f611/46048999855.pdfIn PDF document text
    • https://s3.amazonaws.com/tajimipojimo/nifubosupe.pdfIn PDF document text
    • https://s3.amazonaws.com/gowupuzokowuxes/genie_2042_sprocket_replacement.pdfIn PDF document text
    • https://s3.amazonaws.com/baxekojojexusol/song_kabhi_jo_badal_barse_audio.pdfIn PDF document text
    • https://s3.amazonaws.com/mojivikapeti/38771548341.pdfIn PDF document text
    • https://s3.amazonaws.com/lowuwofuxali/livingstone_primary_school_ofsted_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ddfb0bc7-c8ab-42ae-82ca-c71c6e37e8eb/77720573324.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4e5a7dd2-4178-4d40-8991-d8e1bc030d4c/brainpop_periodic_table_of_elements_answer_key.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_off0000d147.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD147 6156 bytes
SHA-256: 04e7aad89d5f2bd309b76871c5498dd5ce14fcb1ca95613e33ad6fb781750c81
font_01_sfnt_off0000e63c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE63C 10392 bytes
SHA-256: 2c8df2fa95435c9f4321e764c5433677edd6da2177688576bc6e7f194e7fc279

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