Malicious PDF — malware analysis report

Static analysis result for SHA-256 0252c14f7ab06c95…

MALICIOUS

PDF

84.8 KB Created: 2021-04-26 03:57:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 3bf6457f54463c7d300ba28344c4ec7c SHA-1: ee1d13c6f81075e09679ee041cee15a09522754d SHA-256: 0252c14f7ab06c95fead4b4843c2b7be9cadcd8f71c146ddf3d1b0a6dd305e45
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL points to a suspicious domain, likely serving as a lure for phishing or malware distribution. No scripts were extracted, but the PDF structure and embedded URL suggest a phishing attempt.

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://golowaki.ru/strik?utm_term=how+to+write+a+performance+review+of+your+manager PDF link annotation
    • https://cdn.sqhk.co/vizebika/jcqHicB/taromujilemuxugenokeba.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448535/normal_606ac3451a3b2.pdfIn PDF document text
    • http://nesarose.sportsontheweb.net/alimentacion_balanceada_definicion.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389361/normal_604dd05ecc1a1.pdfIn PDF document text
    • https://cdn.sqhk.co/rapovixovuti/igLjgnQ/gas_prices_in_california_2009.pdfIn PDF document text
    • https://cdn.sqhk.co/sonawumi/kihwagj/rarujazofirevewigelol.pdfIn PDF document text
    • https://cdn.sqhk.co/laripikiwafo/i2iibTl/integrated_grammar_exercises_for_class_7.pdfIn PDF document text
    • https://cdn.sqhk.co/jovakuki/espWjha/pandemic_board_game_strategy_guide.pdfIn PDF document text
    • http://sepozimog.scienceontheweb.net/bokujavukapam.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484636/normal_6014e7a6de752.pdfIn PDF document text
    • https://cdn.sqhk.co/busanurutar/cogcbwn/88224662041.pdfIn PDF document text
    • https://cdn.sqhk.co/tedubifo/tijtTji/my_talking_angela_games_download_for_android.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495550/normal_6038ec879f804.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/sulasatevirexo/chapter_2_the_history_of_barbering_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/zetituri/diabolik_lovers_game_ios.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4f0f1d05-4f86-43a9-bf5d-8bab0fe9e2a9/samsung_bd-j5900_keeps_turning_on_and_off.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/23ee7763-6200-44e4-b99a-ccd6e93c6ba9/dicen_que_lo_que_no_te_mata_te_hace_mas_fuerte_cancion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6737e1f5-2046-4f0a-bd54-be17dea0d71f/comparative_research_designs_and_methods.pdfIn PDF document text
    • https://s3.amazonaws.com/xalexojaxipud/gomagijibuwezezef.pdfIn PDF document text
    • http://tibamupebunod.atwebpages.com/91245599241.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/accd4e60-afee-48f4-94aa-a52af09cbecc/23659430669.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7c20a606-fc24-44d6-beec-0efb3a939eaf/how_to_cite_the_niv_study_bible_in_apa.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_off00010f7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F7A 5340 bytes
SHA-256: c129efd6809b75aae595ff33487bd8526954b91fde9187716871bafcbdea92d2
font_01_sfnt_off000121b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x121B7 10576 bytes
SHA-256: 222492958eba6cd77d46e429c4567900c02e8bf69e723fab734887157ecd6825

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