Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa89c66e1b79b4c5…

MALICIOUS

PDF

68.0 KB Created: 2021-09-26 16:20:05 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 297d460f469e1ddb08f82184e0790a5e SHA-1: f72a45fc5bcd2f57778ed5b46465309803685cfb SHA-256: aa89c66e1b79b4c51941e9ce3a1ca126519c2078d35d07e6681df23caf364094
96 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9957

Heuristics 5

  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. 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
  • 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 http://mestan.by/images/file/39760566868.pdf In PDF document text
    • https://artlabjo.com/userfiles/file/2427005566.pdfIn PDF document text
    • https://dianthusindustrial.com/resimler/files/54937327217.pdfIn PDF document text
    • https://vonia.mikludava.lt/images/files/32750032014.pdfIn PDF document text
    • https://total-sport.pl/img/upload/files/nefarafawufumufona.pdfIn PDF document text
    • http://srcchaika.ru/files/uploads/files/jagosexibirulatojoguvux.pdfIn PDF document text
    • http://sevgineslianaokulu.com/ckfinder/core/connector/php/uploads/files/vuloputajugegamulifip.pdfIn PDF document text
    • http://hodoan.net/userfiles/file/89594050025.pdfIn PDF document text
    • http://hastensandbreakfast.nl/userfiles/file/faxovuxasawabatesakik.pdfIn PDF document text
    • http://esipro.fr/userfiles/file/ditafisupofazagujaxabonaf.pdfIn PDF document text
    • http://shinex-auto.com/userfiles/file/30506848795.pdfIn PDF document text
    • http://kanchanaspa.com/ckfinder/userfiles/files/34916277074.pdfIn PDF document text
    • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161380033d2c69---nuwamililipimejafeze.pdfIn PDF document text
    • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1614649c51e809---42368151627.pdfIn PDF document text
    • http://rszm88.com/upfolder/e/files/20210920164803.pdfIn PDF document text
    • http://rklatex.com/userfiles/file/81257940080.pdfIn PDF document text
    • http://aldobini.it/userfiles/files/rijoz.pdfIn PDF document text
    • http://mwflower.com/upimagesfile///pepebuxilosos.pdfIn PDF document text
    • https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614fbaa7db3d5---78430694981.pdfIn PDF document text
    • http://argyleliquidations.com/userfiles/files/86984674893.pdfIn PDF document text
    • http://chiangmai-clean.com/user_img/files/63986005948.pdfIn PDF document text
    • http://shsuorui.com/uploadfiles/fckeditor/20210915/file/16316996913129.pdfIn PDF document text
    • http://neodentpetrosino.it/userfiles/files/dolidujixi.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=the+100+season+7+watch+onlinePDF link annotation
    • 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://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000adf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xADF4 14572 bytes
SHA-256: 64ba05a2e38f4e59556c8ecf391226df2d588f42312dd951bd0dba11c5364b53
font_01_sfnt_off0000d2a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD2A6 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000eabd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEABD 10500 bytes
SHA-256: 1ad28a7c0a7ca46d3589db4bfd4bc60edf58aa7f4f1a5f1dcaee4290a6d2ef14

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