Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea0444e041ff93cf…

MALICIOUS

PDF

78.9 KB Created: 2021-09-12 22:06:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-12
MD5: 5ecfd21d66da47abf438960cba67fb4f SHA-1: 460c6855947f9ab5e2090d8ab0170ae186edd6ff SHA-256: ea0444e041ff93cf8236cc65af5d899fa2cf8ca615951dca6ca470979a22a236
216 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9958

Heuristics 7

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Travel-support phone-number stuffing scam critical SE_TRAVEL_SUPPORT_PHONE_SCAM
    Document repeats phone numbers in airline/travel/refund/support language, often across multiple regional phrasings. This matches SEO/support-scam PDFs that impersonate airlines or travel brands and route users to attacker-controlled call centers rather than a normal travel document.
  • 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://bongoes62.dk/userfiles/file/ruzolodazobizifu.pdf In PDF document text
    • http://th-hl.com///upload/files/reluxoxel.pdfIn PDF document text
    • https://my-natural-style.net/upload/files/lofubeporojoboluji.pdfIn PDF document text
    • https://alev.az/userfiles/file/42236801627.pdfIn PDF document text
    • http://delfosventures.com/userfiles/files/80434453026.pdfIn PDF document text
    • http://lemma-studio.pl/userfiles/file/13337983467.pdfIn PDF document text
    • http://multi-accueil.fr/ressource/site-image/files/jagubi.pdfIn PDF document text
    • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132aefc72b6d---dowiliwadatawewoje.pdfIn PDF document text
    • https://eownauto.com/uploadpic/files/53608279405.pdfIn PDF document text
    • https://ksmt.edu.np/assets/ckfinder/userfiles/files/22532197898.pdfIn PDF document text
    • http://olynskiconstruction.com/pics/file/13564979735.pdfIn PDF document text
    • https://muzeumkonstancina.pl/attachments/file/20429309102.pdfIn PDF document text
    • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16138e9a280588---57878538520.pdfIn PDF document text
    • https://grootformaatspandoeken.nl/userfiles/file/laxamojevaziwanaveju.pdfIn PDF document text
    • http://gunjanjain.com/app/webroot/js/uploads/files/47694801138.pdfIn PDF document text
    • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/161386b0464a56---fufopiva.pdfIn PDF document text
    • http://www.pethouse.es/ckfinder/userfiles/files/sitaliwikusitawobulumo.pdfIn PDF document text
    • https://okinawa4d.com/contents/files/29371957463.pdfIn PDF document text
    • http://makesomenoise.hu/upload/file/40923329896.pdfIn PDF document text
    • http://tonghuichem.com/upload/files/zesos.pdfIn PDF document text
    • http://energo-market.ru/sadm_files/11392996227.pdfIn PDF document text
    • http://pwmtqatar.net/userfiles/file/27856312676.pdfIn PDF document text
    • http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/bivekidewa.pdfIn PDF document text
    • https://medvor.ru/uplcv?utm_term=free+movies+in+play+storePDF 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 extracted file (font_00_sfnt_off0000d070.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000d070.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d070.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD070 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000e882.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE882 17580 bytes
SHA-256: 6f1afa54678780a738cd39a2e83b85608c131714e846ee390ca2f907b09defb4
font_02_sfnt_off00011648.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11648 10572 bytes
SHA-256: 5422123de943f30661492af5d1d305595a6c20a4f32d1c17aca7ee78ec4f8b57