Malicious PDF — malware analysis report

Static analysis result for SHA-256 54bbe98e96ae6bee…

MALICIOUS

PDF

102.5 KB Created: 2021-04-13 22:50:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 544f5f16744b5c5125c5038e6d6e8a4b SHA-1: 9fd86b421fbba702a79f676959b4e20d9c0bc205 SHA-256: 54bbe98e96ae6beee595d835cdfc41635166f46dd84101c5825c955bee2c9170
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 0.9977

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://midufefew.ru/strik?utm_term=dnd+5e+goliath+name+generator PDF link annotation
    • http://nupukenuba.iblogger.org/gym_routine_for_weight_loss_and_toning.pdfIn PDF document text
    • http://grinallex.shop/kugadugisimojisekrla0j.pdfIn PDF document text
    • http://mikrotikwizard.com/how_do_i_use_m_audio_fast_track_in_garagebandiz6bw.pdfIn PDF document text
    • http://paruvam.22web.org/titivelidogifazatefef.pdfIn PDF document text
    • http://itravelgr.com/364684708288llv5.pdfIn PDF document text
    • http://beach-fruit.fun/parkour_map_for_minecraft_pe_android5tc0l.pdfIn PDF document text
    • http://vehicleusains.com/seth_material_podcast6o8x5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sofidubanelen.epizy.com/xepil.pdfIn PDF document text
    • https://s3.amazonaws.com/rekorewexidiwo/longdean_school_hemel_hempstead_ofsted_report.pdfIn PDF document text
    • https://s3.amazonaws.com/nademopor/78920469023.pdfIn PDF document text
    • https://s3.amazonaws.com/tosevud/hp_laserjet_p2035_supplies_status_page.pdfIn PDF document text
    • https://s3.amazonaws.com/vovabagubajegeb/kosutekeluzigutunumeve.pdfIn PDF document text
    • http://zetitovafe.rf.gd/27538221265.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07bfe65a-2336-473d-a084-7f9edfe69c5b/xekatomexumux.pdfIn PDF document text
    • https://s3.amazonaws.com/gupojakami/jasibuva.pdfIn PDF document text
    • http://jijutinu.epizy.com/33882657811.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/690a104b-3c1b-45bd-8273-934e544df395/gobowovovajimi.pdfIn PDF document text
    • https://s3.amazonaws.com/lepefi/amd_vs_intel_single_core_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/ziwuvijevo/addie_model_instructional_design_infographic.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cfd32d58-bd59-4c82-99b7-86b708ac954d/rivivevizuti.pdfIn PDF document text
    • https://s3.amazonaws.com/pasawexawinogad/sefajikabe.pdfIn PDF document text
    • http://buximonerivib.epizy.com/new_bollywood_movie_hd_video_2018.pdfIn PDF document text
    • https://s3.amazonaws.com/fupanabivote/gikojutejuduvo.pdfIn PDF document text
    • http://gejaran.epizy.com/13583745386.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a61d262-ba28-48b7-96b2-48b7e4ce795f/47104198889.pdfIn PDF document text
    • https://s3.amazonaws.com/gimufesajo/transformers_studio_series_deluxe_barricade.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_off00014f17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14F17 5184 bytes
SHA-256: 934c34c52246188ddc7c139b57488a8f33e601fb8eee46b9bc762494fcfc6231
font_01_sfnt_off00016094.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16094 12968 bytes
SHA-256: 0612861ff370fe8a3b512f8f06bd3f58b87b331ef94342aa4e654062f6dcf89e

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