Malicious PDF — malware analysis report

Static analysis result for SHA-256 478645708e4b43b5…

MALICIOUS

PDF

136.3 KB Created: 2022-02-05 15:08:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-20
MD5: d7c402bfc0ca0017e6e5ff0515e1e323 SHA-1: ffb1c4da3ed2c97a66cbdb0cc73fe96f3b2196a5 SHA-256: 478645708e4b43b5ccfdcf78cc41619c5ff56a69b953ef68f6a3fa08401a63aa
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9874

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://cafij.co.za/XSRYdR1H?utm_term=hq+trivia+answers+discord PDF link annotation
    • http://appartenvue.net/appart/upload/images/85802948776.pdfIn PDF document text
    • http://come2menorca.com/images/file/1071088518.pdfIn PDF document text
    • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/ef14a55ee2d99c6970be4d80d8d0a728/jesabitegumuvenuwasiposov.pdfIn PDF document text
    • http://ecrad.org.bd/assets/ckeditor/kcfinder/upload/files/nitoxugo.pdfIn PDF document text
    • http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0bff2eaf4ee239a2a3bf7fd77beba91e/68057153787.pdfIn PDF document text
    • https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/4bbdf862537cb2afe8d6b058b4deefe2/84649759347.pdfIn PDF document text
    • https://www.3gimmobilier.com/kcfinder/upload/files/82594334832.pdfIn PDF document text
    • https://www.truckersplantparts.co.uk/ckfinder/userfiles/files/43484184420.pdfIn PDF document text
    • https://akilanews.com/ckfinder/userfiles/files/14058164739.pdfIn PDF document text
    • https://cooperspick.com/files/31114293499.pdfIn PDF document text
    • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/kizuwuneripajo.pdfIn PDF document text
    • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161f0dc92be688---71474404865.pdfIn PDF document text
    • http://onlinetradeshow.ir/uploads/files/jupurerupiposama.pdfIn PDF document text
    • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/5qmhtnupc2b9mg5enkccippgog/tetijubazudipatagoxe.pdfIn PDF document text
    • http://tzsunup.com/upload/nipiwurop.pdfIn PDF document text
    • https://serviceservice.eu/userfiles/file/31451552185.pdfIn PDF document text
    • http://bellina.pl/userfiles/file/wojawavil.pdfIn PDF document text
    • https://www.naturecare.com.au/kcfinder/upload/files/jotunepobugonujimuto.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00019dad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x19DAD 16304 bytes
SHA-256: 72b6d5534888ecec27fd68dccf88827b5fbc3510db23809d90398b76a33fedee
font_01_sfnt_off0001b39d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1B39D 17804 bytes
SHA-256: e5ab4f9ef9a45d6c3a090229d89490684c0f842430c3a2098df58f3d914a277c
font_02_sfnt_off0001e271.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1E271 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_03_sfnt_off0001f991.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1F991 10608 bytes
SHA-256: 296b4cdfeece16a3d97f566ce142a43583484a43da9ec8f27b4cf7588cd00b50

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