Malicious PDF — malware analysis report

Static analysis result for SHA-256 c5d5e2fe7b963b3e…

MALICIOUS

PDF

112.2 KB Created: 2022-09-10 15:35:52 +00:00 Authoring application: ashbre (via PDF Master 1.0.1) First seen: 2026-06-28
MD5: 50eaf89a51da111c26a65e7dab080a3d SHA-1: 8f751591f363baa4c42e39043ddac79e6225940f SHA-256: c5d5e2fe7b963b3e6d03b1183b8cad87f7cb9a4376b3d2541a28ffc8e703a0fb
134 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0012

Heuristics 5

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
    PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
  • PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
    PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://hardlyfind.com/fujian/confession.ZG93bmxvYWR8bXkwYlhGNVlueDhNVFkyTWpZNE1ETTVNSHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/juxtaposed/sterile?QWRvYmUgSWxsdXN0cmF0b3IgQ0MgMjAxOCAyMi4wLjEuMjUzIFByZS1DcmFja2VkIC0gQ3JhY2t6U29mdCBkb3dubG9hZAQWR=okeechobee PDF link annotation
    • https://www.voyavel.it/solidstatepulsecircuitsbydavidabellebook-_hot_/In PDF document text
    • https://ryhinmobiliaria.co/wp-content/uploads/2022/09/Respuestas_Correctas_Para_Test_Valanti.pdfIn PDF document text
    • https://otovice.com/wp-content/uploads/2022/09/SpyHunter_V48133861_Incl_Crack_ThumperDC_64_Bit.pdfIn PDF document text
    • https://caringcounselingllc.com/sx32w-dll-for-atoll-3-1-19/In PDF document text
    • https://thadadev.com/mastering-the-fce-examination-teachers-book-link/In PDF document text
    • https://efekt-metal.pl/witaj-swiecie/In PDF document text
    • https://forallequal.com/easy-recovery-essentials-for-windows-7-iso-free-download-extra-quality/In PDF document text
    • http://peoniesandperennials.com/?p=18767In PDF document text
    • http://wp2-wimeta.de/ibm-viavoice-gold-arabic-4-3-rarl/In PDF document text
    • https://startupsdb.com/wp-content/uploads/2022/09/clave_de_activacion_para_civil_cad_20102012_64_bits.pdfIn PDF document text
    • https://www.pedomanindonesia.com/advert/scriptcase-crack-keygen-serial-key-exclusive/In PDF document text
    • https://chichiama.net/the-last-airbender-2-full-movie-in-hindi-free-download-new/In PDF document text
    • https://hospiclinicsas.com/wp-content/uploads/2022/09/meditacije_marko_aurelije_pdf_download.pdfIn PDF document text
    • http://valentinesdaygiftguide.net/?p=115770In PDF document text
    • https://stepmomson.com/wp-content/uploads/2022/09/albecha.pdfIn PDF document text
    • https://patroll.cl/wp-content/uploads/2022/09/wanoli.pdfIn PDF document text
    • http://pzn.by/?p=85952In PDF document text
    • https://nightshow.pro/wp-content/uploads/2022/09/tropical_kiss_english_patch__added_by_175.pdfIn PDF document text
    • http://xn----7sbahcaua4bk0afb7c9e.xn--p1ai/wp-content/uploads/2022/09/efilm_workstation_34_keygen_download_16.pdfIn PDF document text
    • https://xtc-hair.com/wp-content/uploads/2022/09/Airo_Wizard_10_Beta_Revision_250.pdfIn PDF document text
    • http://www.tcpdf.orgIn 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/xap/1.0/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://www.aiim.org/pdfa/ns/extension/In PDF document text
    • http://www.aiim.org/pdfa/ns/schema#In PDF document text
    • http://www.aiim.org/pdfa/ns/property#In PDF document text
    • http://www.aiim.org/pdfa/ns/id/In PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000143e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x143E 84508 bytes
SHA-256: 2b7ba551bea82cc3307397981c1dbeb1b78486f95f2eb14e5e58d4e1b24edb0c
font_01_sfnt_off00009c2a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9C2A 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261

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