Malicious PDF — malware analysis report

Static analysis result for SHA-256 b5da9f7e1730eb1d…

MALICIOUS

PDF

127.9 KB Created: 2022-07-25 05:25:54 +00:00 Authoring application: bertho (via PDF Master 1.0.1) First seen: 2026-07-06
MD5: ec9f1b8c0204aeff791660f751278a9a SHA-1: 277e24399331b3463beb0974d6023e9901a3e79b SHA-256: b5da9f7e1730eb1da3438304a98f2b5d8bc7d95a18c18e5e30a2f2e5c78ff39d
224 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0005

Heuristics 7

  • 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.
  • Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
    PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
  • Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
    PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
  • 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.
  • 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
  • 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://awarefinance.com/ZG93bmxvYWR8ZmY0T0RGNWJueDhNVFkxT0RJeE9EazROWHg4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA/?YmF0bWFuIHYgc3VwZXJtYW4gMTA4MHAgNjAgZnBzYmF.scooby?seanez=impoundment=catchup PDF link annotation
    • http://vglybokaye.by/advert/dutch-darts-revelation/In PDF document text
    • https://www.odontotecnicoamico.com/wp-content/uploads/2022/07/piranha_buggy_plans_download_free.pdfIn PDF document text
    • http://www.milanomia2.com/wp-content/uploads/2022/07/Hindi_Movie_Aamdani_Athanni_Kharcha_Rupaiya_LINK_Download.pdfIn PDF document text
    • https://burewalaclassified.com/advert/microsoft-office-2016-pro-plus-16-0-4266-1001-vl-x64-multilingual-august-2018-crack-link/In PDF document text
    • https://iwasacrookedlawyer.com/pro-bono-curmudgeon/young-gunz-tough-luv-zip-top-download/In PDF document text
    • http://ulegal.ru/wp-content/uploads/2022/07/The_Secret_Life_Of_The_American_Teenager_Season_3_Torrent.pdfIn PDF document text
    • https://vipfitnessproducts.com/via-del-campo-spartito-pdf-download-updated/In PDF document text
    • https://polydraincivils.com/wp-content/uploads/2022/07/Poplawski_English_Literature_In_Context_Pdf_13.pdfIn PDF document text
    • https://theamazingescape.com/incubus-fantasy-ver-1-5-0/In PDF document text
    • https://nashvilleopportunity.com/guardsoftcerberusfullcrackedisotorrent-fixed/In PDF document text
    • https://verycheapcars.co.zw/advert/foxconn-n15235-manual-13-link/In PDF document text
    • https://fastmarbles.com/wp-content/uploads/2022/07/xavverr.pdfIn PDF document text
    • https://houstonhousepc.com/gsg-transform-plugin-full-version-download-hot/In PDF document text
    • https://practicea.com/wp-content/uploads/2022/07/Script_Autobet_FreeBitCoin_HOT.pdfIn PDF document text
    • https://acheinoaraguaia.com/wp-content/uploads/2022/07/Alpha_Blondy_Jah_Victory_Full_Album_Zip_FREE.pdfIn PDF document text
    • https://treatmentmentor.com/wp-content/uploads/2022/07/Neufert_Nojfert_Arhitektonsko_Projektovanjesrpsko_Izdanje-1.pdfIn PDF document text
    • http://jameschangcpa.com/advert/the-house-of-the-dead-1-3-all-the-hod-games-made-for-the-pc-no-survey-no-password-2019-work/In PDF document text
    • http://www.alotechnology.com/ashampoo-music-studio-8-8-2-4-final-crack-serial-key-better/In PDF document text
    • http://geniyarts.de/?p=45730In PDF document text
    • https://kjvreadersbible.com/wp-content/uploads/2022/07/Descargar_Pelicula_De_Tarragona_Paraiso_En_Llamas_11.pdfIn PDF document text
    • https://www.odontotecnicoamico.com/wp-In PDF document text
    • http://www.milanomia2.com/wp-In PDF document text
    • https://burewalaclassified.com/advert/microsoft-office-2016-pro-plus-16-0-4266-1001-vl-In PDF document text
    • http://ulegal.ru/wp-In PDF document text
    • https://polydraincivils.com/wp-In PDF document text
    • https://acheinoaraguaia.com/wp-In PDF document text
    • https://treatmentmentor.com/wp-In PDF document text
    • http://jameschangcpa.com/advert/the-house-of-the-dead-1-3-all-the-hod-games-made-for-the-pc-no-In PDF document text
    • https://kjvreadersbible.com/wp-In PDF document text
    • http://awarefinance.com/zg93bmxvywr8zmy0t0rgnwjuedhnvfkxt0rjee9eazrowhg4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda/?ymf0bwfuihygc3vwzxjtyw4gmta4mhagnjagznbzymf.scooby?seanez=impoundment=catchupIn PDF document text
    • http://ulegal.ru/wp-content/uploads/2022/07/the_secret_life_of_the_american_teenager_season_3_torrent.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
🗂 Part of campaign: secureserver.net 1471 samples

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000044f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x44F2 84648 bytes
SHA-256: 0b6c48f6a4e931a4572b13bb2af9ad514b0702ea3c747f8534c05d2c57946ed4
font_01_sfnt_off0000cd55.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCD55 83036 bytes
SHA-256: 6d13e73e85a502a13969f6a5eaecd0b275a0868c045f80b7d64ed55d70678261