Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3f5d67b1dff1cd…

MALICIOUS

PDF

129.0 KB Created: 2022-06-10 08:36:36 +02:00 Authoring application: vyrdquin (via PDF Master 1.0.1) First seen: 2026-06-19
MD5: df8ae19e97b93c929a6eaf2163478089 SHA-1: 2828ff97238799463200bbc10de79d8cb9617ca0 SHA-256: 4e3f5d67b1dff1cd87cccdf0f7a1e14abde916f959823bbfad8a8d1cc19b911e
134 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

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://evacdir.com/ZG93bmxvYWR8ZDlnWkdGNk5YeDhNVFkxTkRjNE1EZzNPWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/behcet.RG93bmxvYWQgUm9sbGluZyBTdG9uZXMgRGlzY29ncmFwaHkgVG9ycmVudCAzMjAgMTkRG9?dressers=emigrate&helium=phytoestrogens&swatches=&vigory= PDF link annotation
    • https://bhatimindcare.com/wp-content/uploads/2022/06/raulzire.pdfIn PDF document text
    • https://www.nzangoartistresidency.com/full-nuance-dragon-professional-individual-15-30-000-006-crack/In PDF document text
    • https://thersdaynight.com/wp-content/uploads/2022/06/walgold.pdfIn PDF document text
    • https://www.bigdawgusa.com/elchavodelocho720ptorrent/In PDF document text
    • https://farmasetika.com/wp-content/uploads/2022/06/Dupe_Exe_For_Need_Speed_Underground_REPACK.pdfIn PDF document text
    • http://pixelemon.com/active-file-recovery-19-0-9-with-crack-latest/In PDF document text
    • http://www.interprys.it/?p=11179In PDF document text
    • http://classic.directory/wp-content/uploads/2022/06/Mujhe_Itne_Luv_Ko_Dekha_Hai__Raag_Desh__2017_Full.pdfIn PDF document text
    • https://connectingner.com/2022/06/10/imperium-galactica-2-patch-1-16-download-cracked/In PDF document text
    • https://2figureout.com/solucionario-de-fisica-alonso-acosta-tomo-1/In PDF document text
    • https://gravesendflorist.com/quimicaanaliticamodernaharveypdf/In PDF document text
    • https://jariosos.com/upload/files/2022/06/4UcRL7Mg3Fw5EBUwZLPq_10_53e98c985ba514344821e6dc3158ae0a_file.pdfIn PDF document text
    • https://socialcaddiedev.com/wp-content/uploads/2022/06/Applied_mathematics_2_by_begashaw_moltot.pdfIn PDF document text
    • https://chaos-magick.com/wp-content/uploads/2022/06/quageor.pdfIn PDF document text
    • https://ajkersebok.com/stardock-start8-1-56-pre-activated-4realtorrentz-serial-key-keygen-high-quality/In PDF document text
    • https://gamelyss.com/wp-content/uploads/2022/06/kayama.pdfIn PDF document text
    • https://karydesigns.com/wp-content/uploads/2022/06/Rescue_Dawn_Movie_Download_In_Hindi.pdfIn PDF document text
    • https://leopays.social/upload/files/2022/06/89FnG5xCMuYqKg4P6CQz_10_53e98c985ba514344821e6dc3158ae0a_file.pdfIn PDF document text
    • https://naamea.org/upload/files/2022/06/tYrkHr6l7TKYfSz2Dce6_10_53e98c985ba514344821e6dc3158ae0a_file.pdfIn PDF document text
    • https://songstoclernlatuti.wixsite.com/chepalleagun/post/sada-punjab-book-pdf-free-extra-quality-downloadIn 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 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_005_off00002202.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2202 120140 bytes
SHA-256: a217f12862e0ff75203bdd4136ca0d68471050be46bb09aed5306898926ffdd4

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