Malicious PDF — malware analysis report

Static analysis result for SHA-256 e77a5242da9994b8…

MALICIOUS

PDF

86.4 KB Created: 2021-03-22 18:17:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: beaae89bb7d11cc3f2d2026b664ebb69 SHA-1: 59576e1f244adec327c42687016c38497332b703 SHA-256: e77a5242da9994b8a4c934a8018fe924ea664ca12b80faa71a902bf17cde10ac
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/wix?keyword=watch+tiger+zinda+hai+full+movie+dailymotion PDF link annotation
    • http://abistrans.ru/cyberpunk_2077_release_date_ps5_pre_order2iwtg.pdfIn PDF document text
    • http://douchely.xyz/oxygen_not_included_map_seed6wbs7.pdfIn PDF document text
    • http://nunesop.scienceontheweb.net/15381017839.pdfIn PDF document text
    • http://melowimaz.getenjoyment.net/what_streaming_service_has_marley_and_me.pdfIn PDF document text
    • http://dalkomis.website/zevirubipizifoxatikufokkfbx.pdfIn PDF document text
    • http://silver35.ru/somewhere_over_the_rainbow_acordes_guitarra_capov9jjv.pdfIn PDF document text
    • http://zezasarasojid.mywebcommunity.org/47991944933.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366027/normal_6002541492706.pdfIn PDF document text
    • http://meetporte.xyz/89653956892lxnwy.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407087/normal_6008295e01a5f.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/satuja/analytical_skills_interview_sample_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/pazovugal/25437355363.pdfIn PDF document text
    • https://s3.amazonaws.com/benubapopikaj/79252107559.pdfIn PDF document text
    • https://s3.amazonaws.com/lopadivupudexa/24037419520.pdfIn PDF document text
    • https://s3.amazonaws.com/sezewu/ligowu.pdfIn PDF document text
    • https://s3.amazonaws.com/dezajok/zafira_a_wiper_blade_size.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/35da1761-b5ae-4203-a9ab-3a2e970c4754/pirigepijosizilubilowar.pdfIn PDF document text
    • http://vujijemu.atwebpages.com/88512379758.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/12ce530e-7c16-4fd8-8e1c-784c19116445/gazejebomivixasadomewujaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7911d693-7472-462a-b931-61dd6f7ea152/basic_electronics_components_and_their_functions.pdfIn PDF document text
    • https://s3.amazonaws.com/jolunenafobuw/construction_project_management_folder_structure_template.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_off00010585.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10585 5364 bytes
SHA-256: 4a927e15bc7ef844a3d845e3b4cf3ce5e862c05a4e09249144c9370e026c7d90
font_01_sfnt_off000117ae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x117AE 11316 bytes
SHA-256: 561e3add9d47cd1403c9bdcd9a04b5cb366dea06a03a66f376823bb533622f04
font_02_sfnt_off00013de7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13DE7 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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