Malicious PDF — malware analysis report

Static analysis result for SHA-256 a70429518661251f…

MALICIOUS

PDF

74.0 KB Created: 2021-03-05 05:39:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: ac71bbbc90f7d6a7ebbb8498af8da4a1 SHA-1: d12d19dbf5c0641abdcfd55ce670dcbdb7b5070f SHA-256: a70429518661251fcd4a8a02dbd56c50f5aec0ac201c3999491796d09ab14fd6
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL pointing to a suspicious domain, identified by heuristics as a potential phishing or malware distribution vector. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://seumenha.ru/aws?utm_term=what+are+the+advantages+and+disadvantages+of+hydel+power PDF link annotation
    • http://wofatis.22web.org/who_is_the_most_evil_character_in_one_piece.pdfIn PDF document text
    • http://xelirap.22web.org/hp_pc_diagnostics_usb_key_user_guide.pdfIn PDF document text
    • http://tedilijubifajok.22web.org/basic_mechanical_engineering_book_free_download.pdfIn PDF document text
    • http://turajenapadefo.22web.org/60886988214.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tibibexubedumu.rf.gd/17079512074.pdfIn PDF document text
    • http://kijibabekisuni.epizy.com/castlevania_rondo_of_blood_ps4_guide.pdfIn PDF document text
    • http://bibikefogive.epizy.com/the_last_song_miley_cyrus_and_liam_hemsworth.pdfIn PDF document text
    • https://s3.amazonaws.com/tokafanawa/angielski_czasy_zestawienie.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6ab5132b-117f-4857-aa1c-2c19a60dd49f/what_is_batch_operating_system_with_example.pdfIn PDF document text
    • https://s3.amazonaws.com/fakuguvil/gastritis_diet_plan.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/93d6c21c-bf01-4172-95cc-eccc23c02e05/dubepajiseronik.pdfIn PDF document text
    • https://s3.amazonaws.com/jofunozuzof/arya_2_full_movie_movierulz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c909b673-1530-4430-ab52-10f752c32003/wine_bible_dream_meaning_islam.pdfIn PDF document text
    • https://s3.amazonaws.com/jevedijadiki/d-_talose_chair_conformation.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/002945d0-e991-4f7b-b91a-3083489fc213/xativojaroka.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52f5d0b2-4bf5-415f-ac44-f7f4d1f2c64b/66014053754.pdfIn PDF document text
    • https://s3.amazonaws.com/fatisake/les_miserables_review_sondheim.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1211297b-a76f-4fb7-be63-4e8746c2bc7e/annie_john_book_online.pdfIn PDF document text
    • http://rarasim.epizy.com/93372065055.pdfIn PDF document text
    • https://s3.amazonaws.com/kegovev/40358602993.pdfIn PDF document text
    • https://s3.amazonaws.com/kagedatabujo/bunty_aur_babli_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/51766685215.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7e9e0737-6c63-4444-97d5-745da0f29af9/what_if_it_us_movie_2019.pdfIn PDF document text
    • http://sejineje.epizy.com/when_the_maker_of_a_note_honors_a_note_this_indicates_that_the_note_is.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_off0000e3be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE3BE 5572 bytes
SHA-256: 7c1a71fb5da00e14cc93a3ee569a78110b5c844f988f8d0e5baf83f3dfbc6aa0
font_01_sfnt_off0000f6d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF6D7 10500 bytes
SHA-256: c0cbe2961bfb7ddde53d8d4c9f8f4e5df389a29c3c6fa03debfa5b86562d1cb2

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