Malicious PDF — malware analysis report

Static analysis result for SHA-256 86eff99c312f31c7…

MALICIOUS

PDF

86.8 KB Created: 2021-03-31 22:51:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a9977d313372777cd2027c39af42c01d SHA-1: 2de99ba4ab445fa41cd48220cede2ab4653fb5d6 SHA-256: 86eff99c312f31c753a98fb31dd2ff49006dd1fb39c933b5acc4e8ab49b1a609
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to exploit user interaction to visit a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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://resalured.ru/wix?keyword=the+challenge+season+24+episode+1
    • http://fawikenaxalu.scienceontheweb.net/gre_biology_syllabus.pdf
    • http://instasurprise.online/nijajotesegivozobe0wnwa.pdf
    • http://duxinivodozular.mywebcommunity.org/why_anion_gap_increased_in_metabolic_acidosis.pdf
    • https://cdn.sqhk.co/mogudekusab/gAia9hc/hp_smart_app_download_for_ipad.pdf
    • http://nukapag.getenjoyment.net/assistant_hr_manager_job_description.pdf
    • http://idealsit.space/522006243442zcm7.pdf
    • https://cdn.sqhk.co/falunibesedo/Rjdhdha/corrugated_plastic_sheet_dimensions.pdf
    • http://verifybadgesbusiness.com/sajoz2yihd.pdf
    • http://inmyshtangen.xyz/is_waffle_house_hiring_near_meom73j.pdf
    • https://cdn.sqhk.co/wufevinek/ha6nggh/juxugegijatulajazupem.pdf
    • https://cdn.sqhk.co/nudekikusefi/t9gdzgh/spider_bites_symptoms_in_toddlers.pdf
    • https://cdn.sqhk.co/xuxofidipo/hdiihex/jobifugu.pdf
    • http://bovewitavivebu.getenjoyment.net/tapepajuzabira.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.opentle.org
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/a779b304-3470-4450-a16a-df500441fe66/how_to_play_scratch_on_mobile.pdf
    • https://s3.amazonaws.com/jokotaziweluge/algarve_tourist_map.pdf
    • http://wadoromutisagar.myartsonline.com/beauty_by_jane_martin_quotes.pdf
    • https://s3.amazonaws.com/gimisorixosu/first_steps_in_seismic_interpretation.pdf
    • https://uploads.strikinglycdn.com/files/4bae4862-c511-415a-a675-6457260b2adf/stuff_matters_mark_miodownik_summary.pdf
    • https://s3.amazonaws.com/baposivarabuj/hull_financial_risk_management.pdf
    • https://uploads.strikinglycdn.com/files/3c42ac6b-f0bd-454b-be75-fda44fdc01f6/63591600235.pdf
    • https://uploads.strikinglycdn.com/files/26018d5b-3d9b-4215-b0fb-baf2b7510f50/international_business_degree_salary_per_hour.pdf
    • https://s3.amazonaws.com/budovewesekaz/garden_flowers_images_hd_free.pdf
    • https://s3.amazonaws.com/vebenok/18857058022.pdf
    • https://s3.amazonaws.com/nimuwet/zulesebudevo.pdf
    • https://uploads.strikinglycdn.com/files/ebbee02c-3e87-4e31-b565-7a65206c7075/68482397989.pdf
    • https://s3.amazonaws.com/xetasif/polder_safe_serve_instant_read_thermometer_instructions.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL
    • http://www.gnu.org/licenses/gpl.html

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f4fd.bin
ac7c862783a597e7dd64c430e8369a84a067c171cac448689592843048a1bfdb		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF4FD 5168 bytes
font_01_sfnt_off0001067c.bin
cd5b5bfe30a9f2ab7c8ff16cae69a6ad428f39f5e83e572661c1163a058c8f64		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1067C 6636 bytes
font_02_sfnt_off00011817.bin
e2539217713e788abec9cff0a354615ed8aa759fd682540f6d78f21a83e158d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11817 11460 bytes
font_03_sfnt_off00013eef.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13EEF 4324 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.