Malicious PDF — malware analysis report

Static analysis result for SHA-256 59b527c29c449215…

MALICIOUS

PDF

73.2 KB Created: 2021-03-08 19:01:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: b7973893e664a04532e29f1f8b764ea1 SHA-1: 0095fc764a9331f8db7534fd47240c69d18c5ac9 SHA-256: 59b527c29c44921506181e9b93a725bb04d5b0faebb9440a166daf12ce9479b9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://bologen.ru/wix?keyword=mystery+number+worksheets+2nd+grade PDF link annotation
    • http://filuniguwol.22web.org/gizuwoji.pdfIn PDF document text
    • https://webuseki.weebly.com/uploads/1/3/2/8/132814302/liritujo.pdfIn PDF document text
    • https://jodavetofa.weebly.com/uploads/1/3/1/4/131438562/43e50c6b05e8d8c.pdfIn PDF document text
    • http://raisinshq.club/php_ecommerce_website_project_free_download7527d.pdfIn PDF document text
    • http://gloslides.com/dimijukatiutozp.pdfIn PDF document text
    • http://xumavedam.22web.org/20166434974.pdfIn PDF document text
    • http://helpforteam.com/31274949809fveb9.pdfIn PDF document text
    • http://afterdealer.pro/vinemukivejeoke4z.pdfIn PDF document text
    • http://goodnatural.space/sisters_of_mercy_lyrics_coheng6gxe.pdfIn PDF document text
    • http://pirizatifi.iblogger.org/best_bollywood_movies_sites_2018.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/fulosobezur/anonymous_browser_apk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b9073870-ada7-4d42-99e6-24e0a1d3e952/how_long_do_solar_watches_last.pdfIn PDF document text
    • https://s3.amazonaws.com/wofaxil/fuxisutu.pdfIn PDF document text
    • https://6c8ebe11-725c-420b-823a-68bc39d02ad2.filesusr.com/ugd/3e87bf_f0a5cd9f98a44cd7bcc4fc6147c6cc7f.pdf?index=trueIn PDF document text
    • https://01dc7cc6-b8ed-446e-8cc8-1ad78882ed38.filesusr.com/ugd/e23fbb_a1a3e6a588ec4a17a017be0eff410f29.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/tubupejevomo/housing_allowance_form.pdfIn PDF document text
    • https://s3.amazonaws.com/pafiganovavi/14627760673.pdfIn PDF document text
    • https://55f5e71c-5f54-469f-9449-301c43944234.filesusr.com/ugd/bbdb65_0ecc58d399834a318bcf8297c73bb185.pdf?index=trueIn PDF document text
    • https://2386e270-bd20-42c1-b3e5-1ba7eaa1d68d.filesusr.com/ugd/b4f0c6_dfb4cdfb7a3447a4ad0b638962c4772a.pdf?index=trueIn PDF document text
    • https://d5fd0048-bb8d-45a1-ba21-28d1cb0b7162.filesusr.com/ugd/5e8de6_70cdb9713cdd4f0b8c775ada0f3ebd3d.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/0754c247-3015-438a-9700-5ee017226792/wutubebafunin.pdfIn PDF document text
    • http://zekubegem.epizy.com/best_android_apps_with_root_access.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_off0000e0d0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0D0 5744 bytes
SHA-256: 03d33a4d4273f4fff54619256bd65d119a3d602e176280f97d5a6fe5795d9247
font_01_sfnt_off0000f457.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF457 10184 bytes
SHA-256: 8bc67e4e34e7ae29ce241fe286120d4083c09e870b52c36397ce9acc01334ce7

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