Malicious PDF — malware analysis report

Static analysis result for SHA-256 78203cef0460fafa…

MALICIOUS

PDF

82.7 KB Created: 2021-10-12 19:12:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: fdefcbf718e65094e64cd4c1aad59d64 SHA-1: a1864ea24293401edb552e7aa02e82550c9a3f7f SHA-256: 78203cef0460fafa5c67ef6d394ecd40e2e8b17d3a89324fd6e43fc6407b31f8
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

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
  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://oniceh.ru/uplcv?utm_term=lunges+for+glutes PDF link annotation
    • https://lockerova.eu/admin/upload/documents/48185756564.pdfIn PDF document text
    • http://allamericannursing.com/userfiles/file/12978519076.pdfIn PDF document text
    • https://cowichanseniors.ca/userfiles/file/92225287643.pdfIn PDF document text
    • https://bisleriuber.genefied.co/ckfinder/userfiles/files/36679009978.pdfIn PDF document text
    • http://spiregene.com/image/files/20210927_224809.pdfIn PDF document text
    • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/9e9d123f51ab357548cd246ebb4c5aba/defipipota.pdfIn PDF document text
    • http://albino-pitti.com/pub_img/file/molewunulijaremitedo.pdfIn PDF document text
    • http://eschool365.in/js/admin/uploadfiles/file/nonozutedo.pdfIn PDF document text
    • http://annabarons.com/files/files/nonadi.pdfIn PDF document text
    • http://issaproject.com/app/views/panel/ckfinder/userfiles/files/15930815514.pdfIn PDF document text
    • http://vzwsportenmuziek.com/content_docs/manelavamavatew.pdfIn PDF document text
    • http://elitaliaweb.it/upload/file/31036686276.pdfIn PDF document text
    • http://djapm.com/userfiles/file/59829558436.pdfIn PDF document text
    • https://majubesar.info/contents/files/bepexodebawer.pdfIn PDF document text
    • http://jrpst.pl/userfiles/file/fodisebamoz.pdfIn PDF document text
    • https://elperrocallejero.info/ckfinder/files/rizegofuwunokunejirakutir.pdfIn PDF document text
    • https://fluffy-chins.com/images/file/viximobabefekawonegir.pdfIn PDF document text
    • http://musik-fachberatung-neumarkt.de/images/uploadedimages/file/jelapipumozo.pdfIn PDF document text
    • http://konemara.hu/userfiles/file/pinerilolejabimumor.pdfIn PDF document text
    • http://telekommarketing.com/firme_data/files/duzumituwulomopipemud.pdfIn PDF document text
    • https://fajanav.com/aym_image/files/78092560245.pdfIn PDF document text
    • http://skolky.info/foto/images/file/95297243835.pdfIn PDF document text
    • http://ellenia3.eu/userfiles/files/lexigipokagefotujovi.pdfIn PDF document text
    • https://sts-cct.com/app/webroot/userfiles/files/bozudulewunaku.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_off0000de5d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE5D 10192 bytes
SHA-256: d89ba731ef2d56fa4139f5d5efef41b6ac94ece4a59dc51238ce5f2a28fb7d4a
font_01_sfnt_off0000f55b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF55B 18640 bytes
SHA-256: 108f5eea360ef3c0a14bada3376461ecefbdead469a1946f40c7917019db265f
font_02_sfnt_off00012511.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12511 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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