Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3ea488a8aa8f160…

MALICIOUS

PDF

73.7 KB Created: 2021-10-13 11:18:53 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-21
MD5: 0df8855496dc5fe027652bc924ed18b7 SHA-1: 89c3e075925f9ca29f78b81118023bdfcaa8f6f3 SHA-256: d3ea488a8aa8f160ee93c4aea4abdea2bea9d321373b3031d16ef16749efa1c9
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9908

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://crewmak.ru/uplcv?utm_term=what+is+an+airsoft+gun+used+for PDF link annotation
    • http://futiandj.ntgis.com/UploadFile/2021/10/05/file/20211005_183131_128.pdfIn PDF document text
    • https://nnkcreations.com/userfiles/file/62474175884.pdfIn PDF document text
    • http://gnatowski.pl/attachments/file/fobanupi.pdfIn PDF document text
    • http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/nazugudebanaxabowozuref.pdfIn PDF document text
    • http://www.iece.in/userfiles/file/77637234489.pdfIn PDF document text
    • http://irinaburmistrova.ru/files/muvigusiwunadidivaragen.pdfIn PDF document text
    • http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/36155516310.pdfIn PDF document text
    • http://sun-green.be/ckfinder/userfiles/files/tutavux.pdfIn PDF document text
    • http://kk-gorenjska.si/uporabnik/file/xawonefoginajaz.pdfIn PDF document text
    • http://rudolphi.nu/userfiles/file/4335734567.pdfIn PDF document text
    • https://cplastik.cz/data/cms/file/peruzisabaxajozegozax.pdfIn PDF document text
    • http://studiotrusso.it/userfiles/files/36101478224.pdfIn PDF document text
    • http://agro-pasz.pl/ckfinder/userfiles/files/xurarenuwebebaputo.pdfIn PDF document text
    • https://webmenuplus.com/images/file/fowojiligikaxafebodoraviw.pdfIn PDF document text
    • http://osmed.cz/app/webroot/files/files/84196144711.pdfIn PDF document text
    • http://nissanotogovap.vn/uploads/images/files/sodotuzin.pdfIn PDF document text
    • http://hftyby.com/upload_fck/file/2021-9-18/20210918153733828475.pdfIn PDF document text
    • http://becucci.it/userfiles/files/92955253255.pdfIn PDF document text
    • https://advance-pack.com/editor_upload/file/69409461622.pdfIn PDF document text
    • http://yey.uw52.com/upload/files/30802223482.pdfIn PDF document text
    • http://cesurmakina.com/userfiles/file/lagulasixegixebapiluv.pdfIn PDF document text
    • https://livewireeventz.com/userfiles/file/fovoped.pdfIn PDF document text
    • http://progetec.org/userfiles/files/nasuwatavi.pdfIn PDF document text
    • http://cariboohose.com/userfiles/file/setofigiraxoroketeze.pdfIn PDF document text
    • https://studioconcept-stand.com/fck_userfiles/file/25521549374.pdfIn PDF document text
    • http://gerd-pollak.de/userfiles/file/zakirixo.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://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_off0000bd94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD94 10680 bytes
SHA-256: 38bf6a8cd375256e3987534e41d7d1f900ce391e55857e173b8c02e9b67eed43
font_01_sfnt_off0000d5d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5D9 16800 bytes
SHA-256: b5dcc49fb27cc86449c44c7c710a4478d8e3f663c866092c9d18480a5a843145
font_02_sfnt_off00010092.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10092 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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