Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b14e37992cb00cb…

MALICIOUS

PDF

80.9 KB Created: 2021-02-21 19:10:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: 4e68a785b1bcfbe5332698fdd9525932 SHA-1: e0c7cf7538c35f40b6dd48dc9b374177231ac1fc SHA-256: 8b14e37992cb00cb7cea92451a5b594ca081898ac47e6912ec5292a9a9ee3144
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://leonvi.ru/aws?utm_term=planeacion+estrategica+concepto+segun+autores PDF link annotation
    • http://copyrightnotice-ig.com/rain_bird_sprinkler_timer_isa_304_manualrx62w.pdfIn PDF document text
    • http://limaxinsto.xyz/6970190060xm9y7.pdfIn PDF document text
    • http://organicnu.info/62757754512ecgj8.pdfIn PDF document text
    • http://bigwin-1xbet.fun/apocalypse_world_fr4zu9a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485930/normal_602060409e9b7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4449771/normal_5fec44ce5521d.pdfIn PDF document text
    • http://mefizilexofe.66ghz.com/backup_whatsapp_data_from_android_to_iphone.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366321/normal_5fe0eefc83289.pdfIn PDF document text
    • http://ampinternational.org/675945855601tkrq.pdfIn PDF document text
    • https://cdn.sqhk.co/nefakovuwot/TjeyUry/the_advisors_alliance_2_episode_7.pdfIn PDF document text
    • https://cdn.sqhk.co/lutidofele/fjfhggG/video_call_from_killer_clown_simulated_callsign.pdfIn PDF document text
    • http://summer-italy.fun/set_arrayadapter_spinner_androidi23r5.pdfIn PDF document text
    • http://pocki.top/ecdl_advanced_spreadsheets_bookiw4la.pdfIn PDF document text
    • http://luxshop21.site/gagoloxezsvg70.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/foneniz/black_wallpapers_for_mobile.pdfIn PDF document text
    • https://s3.amazonaws.com/lixuzo/assessor_report_online.pdfIn PDF document text
    • http://vobipufagogo.epizy.com/pigari.pdfIn PDF document text
    • http://tudutov.rf.gd/cenarion_plant_salve_guide.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_off0000fe56.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE56 5100 bytes
SHA-256: 8f777e1e9eaf9e6058fd974c4ff49188272c01245ecf36d5e829519da974c54f
font_01_sfnt_off00010fbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10FBF 11280 bytes
SHA-256: 0117e81023f171eb65edc828bd62d5a293170c576f8c4a926a1a7019943f6133