Malicious PDF — malware analysis report

Static analysis result for SHA-256 9e53cd27e35a374c…

MALICIOUS

PDF

68.8 KB Created: 2021-03-12 18:27:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: 3b291a7b91c16e8416e91bd19d7b79fd SHA-1: 44fc09f8d319ebc71bcd38438e5f4dd22a3a618c SHA-256: 9e53cd27e35a374c4e11f71550bb80f962a26aece1fdf26f5176e405aaef4eaf
126 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics, including ML and ClamAV, as malicious. It contains numerous embedded URLs, many of which point to disposable hosting and are likely part of a link farm designed to redirect users. The primary URL, 'https://dugedepap.ru/wix?keyword=oracion+poderosa+a+san+judas+tadeo', suggests a lure disguised as a prayer to direct users to a malicious site. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly indicate an attempt to deliver a payload or phish credentials.

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://dugedepap.ru/wix?keyword=oracion+poderosa+a+san+judas+tadeo PDF link annotation
    • https://cdn.sqhk.co/jolodovi/cIhdOe2/wowuguzizesaxibaf.pdfIn PDF document text
    • http://mukinumatonewo.getenjoyment.net/rexroth_pneumatic_cylinder_catalogue.pdfIn PDF document text
    • http://virilibag.66ghz.com/events_website_php_template.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446944/normal_60085c03eb8ea.pdfIn PDF document text
    • http://pemutoguxo.66ghz.com/kinuxarevalelitiparetiw.pdfIn PDF document text
    • https://cdn.sqhk.co/momujolo/igagckl/3403922056.pdfIn PDF document text
    • http://ligugiban.scienceontheweb.net/civic_type_r_maintenance_schedule.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418365/normal_5fd39c8422e4b.pdfIn PDF document text
    • https://cdn.sqhk.co/nowovadizeb/b0hdzWR/spin_royale_app_download.pdfIn PDF document text
    • http://tojagetuwiger.iblogger.org/tajuwudub.pdfIn PDF document text
    • http://vobarijijagurar.22web.org/vmware_64_bit_linux.pdfIn PDF document text
    • http://zesegalos.scienceontheweb.net/dotowamosifemete.pdfIn PDF document text
    • http://fixetufuzafix.22web.org/80304894452.pdfIn PDF document text
    • https://cdn.sqhk.co/tefazaturar/KhdjiFo/space_simulator_game_online.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rexawisoza.epizy.com/58216767532.pdfIn PDF document text
    • http://kimitumepogamom.epizy.com/solvents_used_in_non_aqueous_titration.pdfIn PDF document text
    • http://kagiwabiluwotel.epizy.com/urine_culture_report_in_pregnancy.pdfIn PDF document text
    • http://koxosam.rf.gd/allergen_information_taco_bell.pdfIn PDF document text
    • http://vodupuginotipir.rf.gd/74983892535.pdfIn PDF document text
    • http://dokajita.rf.gd/kindergarten_reading_books_free.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_off0000ce8f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE8F 5136 bytes
SHA-256: 4d7c727c5db83850b0f029b2f2ef5b2aa87543d9905bad1b732624e214e4ae31
font_01_sfnt_off0000e012.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE012 11552 bytes
SHA-256: 94c66385a62eef95dc0bd590774c70d5f6f29021c2c48684d2f947615e05aa05

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