Malicious PDF — malware analysis report

Static analysis result for SHA-256 674ae111317d1a73…

MALICIOUS

PDF

78.8 KB Created: 2021-04-23 20:52:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 3cc5e0a29cb6e2a5da02ec3724fb58d7 SHA-1: 5f039245eefdd13b28fbf1ec5419d74f7a36810c SHA-256: 674ae111317d1a73811237ead413f6216c0532ab0af904e16da538a6f7cb3d1f
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 0.9997

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://mezovuduw.ru/strik?utm_term=property+and+casualty+insurance+book PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4408865/normal_601d309299caa.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410976/normal_6037dac7182ff.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372963/normal_60544a7c956fd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366343/normal_5fe80f2338f62.pdfIn PDF document text
    • https://cdn.sqhk.co/puzukebejas/fjhHidT/patch_brasfoot_2020_brasil_atualizado.pdfIn PDF document text
    • https://cdn.sqhk.co/kelanadu/BgcD6ja/logo_quiz_answers_level_18.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412591/normal_6010f82ccdb13.pdfIn PDF document text
    • http://navaram.online/63313858240hdv38.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418583/normal_6038766e196a0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452154/normal_604b3782974b5.pdfIn PDF document text
    • http://yogait.space/demonstrative_adjectives_worksheets6ubwe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465000/normal_5ffebdf018c56.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/kimone/putting_together_a_sole_f80_treadmill.pdfIn PDF document text
    • https://s3.amazonaws.com/wibedubosateg/what_age_is_big_nate_books_for.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/mikufidewoko.pdfIn PDF document text
    • https://s3.amazonaws.com/fikuvine/sample_barcode_font.pdfIn PDF document text
    • https://s3.amazonaws.com/sowewazulejewi/computer_parts_word_search_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/bokexizometun/donububaxem.pdfIn PDF document text
    • https://s3.amazonaws.com/pojikovewijeja/lejazese.pdfIn PDF document text
    • https://s3.amazonaws.com/futamo/washington_state_law_unmarked_police_cars.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/nemosetinosagulexi.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f521.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF521 5376 bytes
SHA-256: 8bbe5676d92df0cd489e85e3c1b420d39ca8e838266c7d13ecef4314c1bc2456
font_01_sfnt_off00010776.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10776 11232 bytes
SHA-256: 9c48e643e1e732da34f68c0aa3db932fd0133dcbb33002db307f615e8eaf3dff

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