Malicious PDF — malware analysis report

Static analysis result for SHA-256 01071fe9cff648b0…

MALICIOUS

PDF

80.4 KB Created: 2021-05-08 13:14:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 96152f9855fa483faf16e1688defb4e6 SHA-1: eed01f1078e7ef27a6367d5efeaa0f3dd42a69b3 SHA-256: 01071fe9cff648b00bb3078d2d494a6df2fe8edf6ae5b3e6f8c0aaa804fcbcff
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, which is a common tactic for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to redirect users to potentially harmful content.

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://seumenha.ru/strik?utm_term=what+kind+of+angel+is+raziel PDF link annotation
    • https://nupuwuzom.weebly.com/uploads/1/3/1/4/131438231/bebobus.pdfIn PDF document text
    • https://fonamajubeb.weebly.com/uploads/1/3/4/4/134474676/91996.pdfIn PDF document text
    • http://cafe-cok.ru/rapenoxerdrmj4.pdfIn PDF document text
    • https://viwosakizipisot.weebly.com/uploads/1/3/5/3/135321869/gekux.pdfIn PDF document text
    • https://roderisagewap.weebly.com/uploads/1/3/4/5/134507489/xubikimofagebo_vikonopeta.pdfIn PDF document text
    • http://ses-paypal.com/how_to_get_free_answers_on_bartlebycvx7z.pdfIn PDF document text
    • http://raisinshub.pro/rujutarimajudukul2fd.pdfIn PDF document text
    • http://table-wait.com/53377918170nvdi6.pdfIn PDF document text
    • http://questotzvezd.space/geo_realm_a_real_world_mmorpgiug2c.pdfIn PDF document text
    • http://bobr.space/savitukexumi9i239.pdfIn PDF document text
    • https://piziwola.weebly.com/uploads/1/3/1/3/131382430/a9eb49.pdfIn PDF document text
    • http://ttop-shop.com/basic_c_programs_for_beginners_geeksforgeeksftz48.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/bewibiwat/rujufadokufigakodoni.pdfIn PDF document text
    • http://pazipinabobon.epizy.com/word_meaning_book.pdfIn PDF document text
    • http://tiruweditivunaw.myartsonline.com/mayo_clinic_gastroenterology_and_hepatology_board_review_download.pdfIn PDF document text
    • https://s3.amazonaws.com/bipepezuwed/play_unknown_battleground_game.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/dbt_group_therapy_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/kobivimelelo/shark_steam_pocket_cleaner_manual.pdfIn PDF document text
    • http://livixow.epizy.com/how_much_does_a_mercury_150_pro_xs_weight.pdfIn PDF document text
    • https://s3.amazonaws.com/bezutu/rolebukuvavorowideme.pdfIn PDF document text
    • http://fepusum.onlinewebshop.net/kikavutupatovasitiwul.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_off0000fb4f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB4F 5296 bytes
SHA-256: 21d8e5f6e15a724d3c57fc04b0b7d476f34bf9194f05ac7b3defbecf03721ef1
font_01_sfnt_off00010d64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D64 11488 bytes
SHA-256: fa00e53d975e2b3573b95c4b6a49cd67a38c94f4712901809172895c3cfd4b3c

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