Malicious PDF — malware analysis report

Static analysis result for SHA-256 14d32ee03834bfa9…

MALICIOUS

PDF

72.2 KB Created: 2021-02-14 04:54:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ac1c12c40d33133c38fb927e35e57f20 SHA-1: d7b770f693aa84b3b38d03593258d4d81da4820c SHA-256: 14d32ee03834bfa9369ad4d67c7673bc7fa2f33c0540c9c73a1a8699d92d991b
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://bologen.ru/wix?keyword=romano%2527s+sea+shack+menu PDF link annotation
    • http://servicesforsupport.com/philately_quiz_2019_questions_and_answers32w3i.pdfIn PDF document text
    • http://good-production17.site/amiri_garibi_picturev39hp.pdfIn PDF document text
    • http://matras-24.ru/85662774389wtzab.pdfIn PDF document text
    • http://ketosimple.online/java_8_for_androidrjshl.pdfIn PDF document text
    • http://vvinorama.website/19042763855djevd.pdfIn PDF document text
    • http://lidlid.xyz/fawomixavojuvurz3wn.pdfIn PDF document text
    • http://milky-rp.space/65080030491x0v3a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392237/normal_6016006235728.pdfIn PDF document text
    • http://googsnat.space/nursing_cover_letter_template2jxbk.pdfIn PDF document text
    • http://ductsunlimitedins.com/factoring_quadratics_a_math-_drills._com_answersi0zug.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/toliwudalamem/tennessee_waltz_sheet_music_piano.pdfIn PDF document text
    • https://s3.amazonaws.com/rodiligarexo/cellule_caliciforme_intestin_grle.pdfIn PDF document text
    • https://s3.amazonaws.com/sivanira/salary_breakup_format_appointment_letter.pdfIn PDF document text
    • https://s3.amazonaws.com/bupesejirijejus/just_the_two_of_us_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/genijusemu/turkiye_burslari_scholarship_2019_application_form.pdfIn PDF document text
    • http://fufezexu.epizy.com/58725855734.pdfIn PDF document text
    • https://s3.amazonaws.com/jebupofedijakuk/40161737657.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_off0000d145.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD145 4772 bytes
SHA-256: 1f628cf5f7f1c10868c21d41ef7a406a7851a38a92a2c108cb381f3dd045a506
font_01_sfnt_off0000e149.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE149 10744 bytes
SHA-256: 4391541e01a4661ca15f9c93cf11c5a7a24964db68cb783dda348e3947e17be2
font_02_sfnt_off000105d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105D0 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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