Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b030d934eadd99d…

MALICIOUS

PDF

76.9 KB Created: 2021-03-08 12:33:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 30ec1183ed976bc76f18ff71ae1bf62a SHA-1: eae96e99c8f2bc5a76c05d5f713e95b06fdee295 SHA-256: 0b030d934eadd99db3533c65c08778baf114ce48b6682319ce019a4fd45d2c16
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://botokaw.ru/wix?keyword=simpsons+experimental+design+worksheet+answers PDF link annotation
    • http://chambrely.xyz/gokasudi8dt6s.pdfIn PDF document text
    • http://madewithsunshine.com/22246754997rlrc5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369923/normal_6045fbf9f26d3.pdfIn PDF document text
    • http://itsnat.space/borges_y_yo_jorge_luis_borges_resumengnqq1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452862/normal_6033974876212.pdfIn PDF document text
    • http://fuckfrsky.com/jubamijanivato6nm.pdfIn PDF document text
    • http://duzodukigesutif.iblogger.org/82631007087.pdfIn PDF document text
    • http://mexicotop.xyz/electribe_2_sampler3tx5o.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/jadudusujuje/laligaralowosepazavijaw.pdfIn PDF document text
    • http://netifikapiwi.epizy.com/zuturedajewesumovakulo.pdfIn PDF document text
    • http://timavutiziv.epizy.com/candy_camera_app_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/rurosaveruk/lasutagapekav.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b962c445-f29e-4e43-9933-93a5548b0960/amar_chitra_katha_stories_to_read_in_hindi.pdfIn PDF document text
    • https://s3.amazonaws.com/sefabe/company_profile_real_estate_examples.pdfIn PDF document text
    • https://s3.amazonaws.com/pisedij/92208713912.pdfIn PDF document text
    • http://zosatomoviwom.rf.gd/actualizar_firmware_router_linksys_wrt54g_v8.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8e5e9df7-2dc1-4765-8cd9-2a54e9ba9af5/zopojovewizirapo.pdfIn PDF document text
    • http://jagivaxo.rf.gd/nakora.pdfIn PDF document text
    • https://s3.amazonaws.com/mafavuzenoliki/sitofunokezaxeluwo.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_off0000efee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFEE 5700 bytes
SHA-256: 9230d9f43147a7084e6347cfee3cf28a6ad2d59a50b5cecd346e4d533f4a573e
font_01_sfnt_off00010335.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10335 10212 bytes
SHA-256: dfc644ca17d83231bf2d63cc64ad33c155f0c1b1f3d98f8995537ca45163cd3e

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