Malicious PDF — malware analysis report

Static analysis result for SHA-256 191f2e3b66e3c8ed…

MALICIOUS

PDF

81.1 KB Created: 2021-09-18 01:18:38 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: 0386504887c5b307ccc81e68d8304d54 SHA-1: 13b50f6e0df0f5c393272e88c2695377fcf745e0 SHA-256: 191f2e3b66e3c8edcc8ad721d16d196e3192ec8290c283028a2b84c21eec2d77
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9954

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://pianoinprimopianofestival.com/uploads/file/23433379649.pdf In PDF document text
    • http://primethailand.com/ckfinder/userfiles/files/66007720932.pdfIn PDF document text
    • http://crescentcarpets.com/userfiles/file/zegumepatatafivigizobos.pdfIn PDF document text
    • http://longruiglass.com/ckfinder/userfiles/files/20210912_215905.pdfIn PDF document text
    • http://ohappy.org/userData/board/file/49158871411.pdfIn PDF document text
    • http://whuntex.info/userfiles/file/xegelufi.pdfIn PDF document text
    • https://ryokanclub.com/FileData/ckfinder/files/20210902_A64B72BCD7133719.pdfIn PDF document text
    • https://excellencetogether.com/img/files/file/wugapalolefapasix.pdfIn PDF document text
    • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/c8788b2f03acd0dd55dbf92d2ccea798/lemapinomemupujexedi.pdfIn PDF document text
    • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/5eb253f61dadd1d94d33e75115b5ca5c/diwefu.pdfIn PDF document text
    • http://leicesterbiketec.com/userfiles/file/15243514876.pdfIn PDF document text
    • http://tantusmarina.com/UserFiles/file/tuzuxezigabage.pdfIn PDF document text
    • https://museuminiaturesbesalu.com/files/xexijiva.pdfIn PDF document text
    • http://asid.rw/userfiles/file/40971502791.pdfIn PDF document text
    • http://langfordfinancialservices.com/userfiles/files/40263822297.pdfIn PDF document text
    • http://mstreatmentadvances.com/userfiles/files/9081691760.pdfIn PDF document text
    • http://glampingcaravan.com/userfiles/file/20210909141813.pdfIn PDF document text
    • https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/tuvesoluzozagexifumirem.pdfIn PDF document text
    • http://pazarziraat.com/userfiles/file/jatotomudegalitisutiga.pdfIn PDF document text
    • http://bassonconsulting.mc/userfiles/file/79959876702.pdfIn PDF document text
    • http://puebloexec.com/userfiles/file/xekufakawavewa.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=bnha+trailer+season+5PDF 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_off0000d5a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD5A5 19032 bytes
SHA-256: dd859cc89a3db905fb97b6f4c34bfecadde5ce1325696ba8ec0860b44b93f330
font_01_sfnt_off00010786.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10786 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00011f9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F9D 10392 bytes
SHA-256: fd1b27acffd80d30d4d0e3dba0ec0e8f5ad2ed4e5c5492773dbabc52453303ff

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