Malicious PDF — malware analysis report

Static analysis result for SHA-256 78201101e72e93a2…

MALICIOUS

PDF

80.1 KB Created: 2021-09-09 03:10:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: 12bc0acd607610df764d71e81468e514 SHA-1: 1e11199803b3f22ab2dd2c7fcf482d7367a1531d SHA-256: 78201101e72e93a2cc39dbcce711e82e3861f8d9f9e393d3536cb4f5b34d45f6
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9960

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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 https://laborke.ru/uplcv?utm_term=bus+simulator+15+download PDF link annotation
    • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161353e42f3166---84573537424.pdfIn PDF document text
    • http://zhuoxinlaw.com/userfiles/file/20210901205509_1371145375.pdfIn PDF document text
    • https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135ecc4b6968---wisiniro.pdfIn PDF document text
    • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/54196990814.pdfIn PDF document text
    • http://haohanlegend.com/Uploadfiles/files/sugoxunelexovutinad.pdfIn PDF document text
    • http://www.kymenhome-etsinta.net/tiedostot/files/darifewowago.pdfIn PDF document text
    • https://biorenta.lt/ckfinder/userfiles/files/85197969198.pdfIn PDF document text
    • https://taiwancy.com/app/webroot/userfiles/files/80821967760.pdfIn PDF document text
    • http://vet-spb.com/userfiles/file/famelol.pdfIn PDF document text
    • https://vnsteeldetailing.com/UserFiles/files/34358765617.pdfIn PDF document text
    • https://mosaicopeoplecorporation.com/ckfinder/userfiles/files/21408834194.pdfIn PDF document text
    • http://architettobotteonpierpaolostudioabacus.it/userfiles/files/kukikagonedema.pdfIn PDF document text
    • http://greenmodels.ru/uploads/files/40720577645.pdfIn PDF document text
    • http://centralgiving.com/media/userfiles/file/21468264586.pdfIn PDF document text
    • http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613062d048587---tozid.pdfIn PDF document text
    • http://playitdirect.ca/ckfinder/uploadfiles/files/23183565743.pdfIn PDF document text
    • http://corising.info/sa_upload/userfiles/file/20210906042501.pdfIn PDF document text
    • http://zulaikhatextile.com/userfiles/files/pafasi.pdfIn PDF document text
    • https://autosaloncenter.com/uploads/files/novubedazanuwemuwaduvarar.pdfIn PDF document text
    • http://sevennews.com.br/ckfinder/userfiles/files/tewezetekesixobafugeseg.pdfIn PDF document text
    • http://alphasigmaoverseas.com/userfiles/file/tegovumusufigafutusis.pdfIn PDF document text
    • https://luckysurface.itweald.com/uploads/files/6136739b5fe6e.pdfIn PDF document text
    • http://inbiosa.eu/static/cfiles/files/69111526990.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_off0000d454.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD454 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000ec6b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEC6B 10700 bytes
SHA-256: 9f6b4e623ae426f56ff317602695d24e34fa10a48cbd5ae94b6692b2256e4449
font_02_sfnt_off00010520.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10520 17808 bytes
SHA-256: f1f7257a020559ba97ecef68233ecdd38516adca63ced6d13c55b1db3fd107f7