Malicious PDF — malware analysis report

Static analysis result for SHA-256 b594a359f6b206c8…

MALICIOUS

PDF

69.1 KB Created: 2021-03-01 21:00:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 002d78b62ffaf46ac61bcdba723b47e7 SHA-1: 04f6d8c7ff14e9d9118852b1d8fccfd9e4dad3c2 SHA-256: b594a359f6b206c8f9b5ad6a328894d6f2d24bd68a4e752d7666591e779e34a7
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://fokemale.ru/wix?keyword=nist+sp+800-140 PDF link annotation
    • http://wifunagidoli.mypressonline.com/how_to_use_hamilton_beach_digital_steamer.pdfIn PDF document text
    • http://mesubogit.22web.org/4543255414.pdfIn PDF document text
    • http://openlait.pro/wejidigoh6fv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496818/normal_601b2db30d384.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489598/normal_601dd5a798ed6.pdfIn PDF document text
    • http://tapadobav.iblogger.org/boboiboy_drawing_apk.pdfIn PDF document text
    • http://naxajogilelog.medianewsonline.com/ejercicios_ecuaciones_de_primer_grado_1_eso.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375890/normal_600077573478a.pdfIn PDF document text
    • http://tawaguf.scienceontheweb.net/fujutopepikimebuwopo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413735/normal_60145567e5a49.pdfIn PDF document text
    • http://rubka.space/324928832018xx.pdfIn PDF document text
    • http://seomagnat1.online/diagnostic_medical_microbiologyiu730.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xifonefoje.epizy.com/64394330783.pdfIn PDF document text
    • http://nunevubedodunu.rf.gd/chameleon_bootloader_sierra.pdfIn PDF document text
    • https://s3.amazonaws.com/suxiweke/powerpoint_templates_free_2007.pdfIn PDF document text
    • http://fuvenofagimugo.epizy.com/rumidopadetolebego.pdfIn PDF document text
    • https://s3.amazonaws.com/xuzed/cheats_for_gta_sa_android_apk.pdfIn PDF document text
    • http://vimixof.onlinewebshop.net/narogimilirosuwowawilexa.pdfIn PDF document text
    • http://bajoxazirulim.epizy.com/what_is_bill_of_exchange_in_simple_terms.pdfIn PDF document text
    • https://s3.amazonaws.com/dinisemowoge/1256766762.pdfIn PDF document text
    • http://koxowasone.epizy.com/breeders_cup_entries_2018_past_performances.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_off0000d325.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD325 4952 bytes
SHA-256: ed48697f8f7f0091fa3c8cc6afdd73eed4be0210629c906371557a61b128e130
font_01_sfnt_off0000e431.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE431 10200 bytes
SHA-256: 3a1e9976751faa8bae52b0fa13a50266622710e24560a8de27476d4cab209297