Malicious PDF — malware analysis report

Static analysis result for SHA-256 e32c7fbee4bd64a0…

MALICIOUS

PDF

75.0 KB Created: 2021-03-31 01:56:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 54243fd7601c87032ce1f94b4ec9cd8b SHA-1: 12337a8e1ea40c7824fb3faa39c34a0e2dde23b3 SHA-256: e32c7fbee4bd64a0beef5f1fe92cbf2115d462622326548edb1ed748eaea66c3
96 Risk Score

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://ponafet.ru/strik?utm_term=what+is+the+judiciary+system+uk PDF link annotation
    • https://cdn.sqhk.co/tenokesime/ShfeiiS/posavubawosusaxotoju.pdfIn PDF document text
    • http://napowojeba.medianewsonline.com/effective_business_report_writing.pdfIn PDF document text
    • http://ninijefaligogi.mygamesonline.org/efectos_secundarios_de_los_ansioliticos.pdfIn PDF document text
    • http://ruguwafe.scienceontheweb.net/68056911302.pdfIn PDF document text
    • https://cdn.sqhk.co/nolugavetiri/gihhmgh/25941648745.pdfIn PDF document text
    • http://jenewazajasazu.getenjoyment.net/centum_vp_training.pdfIn PDF document text
    • https://cdn.sqhk.co/totafeta/8jibD3K/wabozekofapij.pdfIn PDF document text
    • https://cdn.sqhk.co/bowazeduz/ZhbTjhA/krita_desktop_review.pdfIn PDF document text
    • http://jekeluxuto.mywebcommunity.org/acid_bases_and_salts_questions_answers.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://4eb3a9b5-ca6a-4b2a-896e-878abc754f3b.filesusr.com/ugd/f1ab86_d6b6defad76745029b2cb150dd101b70.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/kokesatodixon/69227960122.pdfIn PDF document text
    • https://0503187d-52cd-4237-9521-a3cb9bf551ae.filesusr.com/ugd/5bb01c_a6ee5ffe6ae34b40aa798b24e5f1d01a.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/jokotaziweluge/rrb_group_d_2018_exam_date_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/lerezazo/twilight_new_moon_movie_in_hindi_watch_online_free.pdfIn PDF document text
    • https://1dfef493-bba3-4db0-89f7-7cef958ceea2.filesusr.com/ugd/3dbeb3_4c4c6adade284ec6bc96474985d3b7c2.pdf?index=trueIn PDF document text
    • http://zezofakarol.myartsonline.com/baminanosig.pdfIn PDF document text
    • https://a62e46b8-d933-4087-892c-e5439cec6991.filesusr.com/ugd/e9cba9_1efc5aad937447e99b79e6ce816ecfe6.pdf?index=trueIn PDF document text
    • https://f200304d-316b-45a9-b05c-680123ec6d1a.filesusr.com/ugd/aad1a2_aa10802271884b9ea1444b1c2acd63ed.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/dutimajizowa/34711358034.pdfIn PDF document text
    • http://wugujub.onlinewebshop.net/62763906951.pdfIn PDF document text
    • https://c6506652-bf5e-4f52-be36-03dbfaede22c.filesusr.com/ugd/f74919_c07890e1f3d9466ab489852a889fa7ac.pdf?index=trueIn 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_off0000e780.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE780 5404 bytes
SHA-256: 1ace37b3fa56393ac005aecac9f2e06f8e066556a6f72a590a4eba08b8b9fd32
font_01_sfnt_off0000f9c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9C8 10512 bytes
SHA-256: 58058f6d8cdf0a9ad4096ec2cef06dda3980f89d4a735746dd84d7f78e32ea42

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