Malicious PDF — malware analysis report

Static analysis result for SHA-256 23672e2022b3fb69…

MALICIOUS

PDF

86.0 KB Created: 2021-04-07 23:34:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: a0f26269aa85914fec85bccc875f22ed SHA-1: 57c0a9c886446923b245e47bc22656c1880eb871 SHA-256: 23672e2022b3fb69dc07415836e45a33e3ecf2b505ce611e444a83ba1aff8295
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 0.9968

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://baarspo.ru/123?utm_term=lagu+cinta+karena+cinta+judika+gratis PDF link annotation
    • https://cdn.sqhk.co/letarezetap/2fjdugc/candomble_religion.pdfIn PDF document text
    • https://cdn.sqhk.co/bogovureg/R3hdidY/wibadine.pdfIn PDF document text
    • http://dexowowijovovu.iblogger.org/copy_outlook_contacts_into_excel_spreadsheet.pdfIn PDF document text
    • http://dufojojej.iblogger.org/ferabumom.pdfIn PDF document text
    • http://positarinirib.22web.org/sedentarismo_en_adolescentes.pdfIn PDF document text
    • https://cdn.sqhk.co/filodomazora/Qjfhfjj/business_analysis_body_of_knowledge_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/pigevikuwi/cl3jchf/android_marshmallow_disable_lock_screen_notifications.pdfIn PDF document text
    • https://cdn.sqhk.co/roretuduva/hGX9jhR/92008327537.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://vabopegimunufet.rf.gd/95674867851.pdfIn PDF document text
    • https://s3.amazonaws.com/gulapore/21460968104.pdfIn PDF document text
    • https://s3.amazonaws.com/bifamomove/herobrine_skin_template.pdfIn PDF document text
    • https://s3.amazonaws.com/zisulamisozoto/fogler_solution_manual_3rd_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/nitajosasa/speech_and_debate_play_monologue.pdfIn PDF document text
    • https://s3.amazonaws.com/pomaxa/blank_space_piano_sheet_music.pdfIn PDF document text
    • http://xofogijatoli.epizy.com/generalised_anxiety_disorder_treatment_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/dubiditiginowo/how_many_miles_does_a_toyota_camry_hybrid_last.pdfIn PDF document text
    • https://s3.amazonaws.com/xujitezu/77384965031.pdfIn PDF document text
    • https://s3.amazonaws.com/gomakobez/86957059760.pdfIn PDF document text
    • https://s3.amazonaws.com/dobesogum/how_to_assemble_kallax_ikea.pdfIn PDF document text
    • https://s3.amazonaws.com/mupukesunobaga/63476152473.pdfIn PDF document text
    • https://s3.amazonaws.com/pogolo/dietrich_bonhoeffer_ethics.pdfIn PDF document text
    • https://s3.amazonaws.com/jozaponi/31203597732.pdfIn PDF document text
    • https://s3.amazonaws.com/zibenoroduzuw/2786559914.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/56291690678.pdfIn PDF document text
    • https://s3.amazonaws.com/bupaxomu/loyalist_chapters_from_traitor_legions.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e1b9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1B9 4928 bytes
SHA-256: c64db0df0dff5ad292f55509aa57da6964719b956fc6c47fc84aac8455d9cddf
font_01_sfnt_off0000f285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF285 3376 bytes
SHA-256: 3773d6de6a738937dc7ca124a635b5d5ea5ebb6be19ad4b02e6892771e0674b2
font_02_sfnt_off00010006.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10006 10956 bytes
SHA-256: 0d55897f3f17151540d3e7282b73b3e99b42a69c2a43aea65ba46c36b7f21e96
font_03_sfnt_off0001260a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1260A 16164 bytes
SHA-256: 3afbc95f4a2677bf4c8b77bd7df62e4dbeb651db4b5e482cf97b58e472170d58
font_04_sfnt_off00013b03.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B03 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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