Malicious PDF — malware analysis report

Static analysis result for SHA-256 ed47e4d86cc1f6f3…

MALICIOUS

PDF

76.8 KB Created: 2021-05-03 19:56:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 08df302b0b63a5070a37017c78f059cc SHA-1: 702a4011c91f2a68ffb4041ace2b08dda1e693be SHA-256: ed47e4d86cc1f6f38da2da70b81729d101eec3d0c256e0001ca5c15aaffb203e
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 0.9990

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://kuzutuzo.ru/strik?utm_term=principio+de+funcionamiento+de+las+bombas+de+lobulos PDF link annotation
    • http://bufovapafiwew.22web.org/61069349537.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4445754/normal_5ff5caad7c250.pdfIn PDF document text
    • http://sekodosara.22web.org/synonyms_and_antonyms_meaning_and_examples.pdfIn PDF document text
    • http://xexapobikimoxe.iblogger.org/45652143505.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4457005/normal_5feb5d477b41f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457876/normal_5feaee263e9d2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414152/normal_6012eb13d3dd9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446759/normal_603fe2233d0a3.pdfIn PDF document text
    • http://rikedodiveli.22web.org/declaration_of_independence_worksheet_answer_key.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/marimejerebo/is_the_japanese_stock_market_open_now.pdfIn PDF document text
    • https://s3.amazonaws.com/wizuluworafid/who_is_project_zorgo_real_name.pdfIn PDF document text
    • http://xizevobawilu.epizy.com/2004_dodge_ram_1500_led_headlight_bulb.pdfIn PDF document text
    • https://s3.amazonaws.com/fojaxexino/medial_cuneiform_articulation.pdfIn PDF document text
    • https://s3.amazonaws.com/zusevamasor/kumozomodifosobumol.pdfIn PDF document text
    • https://s3.amazonaws.com/vapelurowar/eisenhower_tunnel_traffic_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2a347f9c-2289-4709-a9bb-891744f365d5/mivibesunibop.pdfIn PDF document text
    • http://nidumodosiw.rf.gd/simis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c98f6db-d1c2-45c3-a7d4-e1d138a3db45/how_to_return_letter_to_sender_canada.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/7455641708.pdfIn PDF document text
    • http://digomal.epizy.com/joxijobibanizik.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b504c27a-afe9-4748-9ab4-1c8a259ec28f/international_marketing_strategy_of_nestle.pdfIn PDF document text
    • http://zoxarulal.rf.gd/ldr_sensor_module_datasheet.pdfIn PDF document text
    • http://zaxukesaludu.epizy.com/hp_laserjet_p2015_symbol_meaning.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7f2311a5-cdd5-4d8c-8608-635a1d913934/85431514923.pdfIn PDF document text
    • https://s3.amazonaws.com/jevedijadiki/prince2_agile_foundation_book.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_off0000ed8e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED8E 5444 bytes
SHA-256: e0bba9a2150341a892c43c389e71bcc6a563b0785edecf6ace25917c3da83ab3
font_01_sfnt_off0000fff6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFF6 10744 bytes
SHA-256: 4d3d7ee9de4541747af357ca806a5dd3be8ef3f7b600237271699530c40a5c9e

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