Malicious PDF — malware analysis report

Static analysis result for SHA-256 941c5a671da881c3…

MALICIOUS

PDF

85.8 KB Created: 2022-05-07 17:52:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-12
MD5: 3e4cd7575b8ec539c4f4d9113c32109e SHA-1: 0b9a9b2089c0977c4b0cbf4444e3b26dcf7b57e9 SHA-256: 941c5a671da881c3412dbbe2ce6a66ede6f19147ba68649bed53afdc534dde1c
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9903

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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://wirut.co.za/XSRYdR1H?utm_term=editing+and+revising+sentences+worksheets+printable+free+pdf+downloads PDF link annotation
    • https://pasuzilab.weebly.com/uploads/1/4/1/4/141466936/foperopikej-bodalasom.pdfIn PDF document text
    • https://gejilezajobo.weebly.com/uploads/1/4/1/4/141432634/rusamanibovepo.pdfIn PDF document text
    • http://parfumland.sk/upl/kujogulu.pdfIn PDF document text
    • https://doxizuzipoleri.weebly.com/uploads/1/3/5/3/135323895/3108064.pdfIn PDF document text
    • https://mavieromantique.com/images/files/wedikebenigokiv.pdfIn PDF document text
    • https://luvimemisa.weebly.com/uploads/1/3/4/6/134681541/6040060.pdfIn PDF document text
    • https://xutogimumunode.weebly.com/uploads/1/3/4/3/134375265/5885404.pdfIn PDF document text
    • https://zirubofab.weebly.com/uploads/1/4/1/2/141256605/9e4e5.pdfIn PDF document text
    • https://jifefovemerozix.weebly.com/uploads/1/3/4/4/134444698/rojik.pdfIn PDF document text
    • https://wimopoxidiki.weebly.com/uploads/1/3/5/3/135313965/lajagapogitetovamud.pdfIn PDF document text
    • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623718885e389---16785660088.pdfIn PDF document text
    • http://wahlig-fliesen.de/userfiles/files/3657873239.pdfIn PDF document text
    • https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/wulosi_kudokipe.pdfIn PDF document text
    • http://gmart-express.com/demo/uploadpic/file/nitifiredoze.pdfIn PDF document text
    • https://togaboza.weebly.com/uploads/1/4/1/4/141434142/c72b037ba0066c.pdfIn PDF document text
    • https://rititebavoxufi.weebly.com/uploads/1/3/4/7/134705535/kenalep-govijemudiv.pdfIn PDF document text
    • https://dafavazama.weebly.com/uploads/1/3/4/8/134893815/bafuxobo.pdfIn PDF document text
    • http://umbabox.com/userfiles/file/nerevaxazujomiwabozib.pdfIn PDF document text
    • https://mejibafizafev.weebly.com/uploads/1/3/4/0/134042836/kipobopumonuboj.pdfIn PDF document text
    • https://zizojatemizowen.weebly.com/uploads/1/3/4/0/134016780/4557779.pdfIn PDF document text
    • https://loxazofobel.weebly.com/uploads/1/3/4/2/134265844/rupuka.pdfIn PDF document text
    • http://fredericjean.net/oplusco/file/bixinuxed.pdfIn PDF document text
    • https://vezefujofebiv.weebly.com/uploads/1/3/5/3/135304234/e977a2c99c087.pdfIn PDF document text
    • https://wukodaxumubef.weebly.com/uploads/1/3/4/4/134438005/7554833.pdfIn PDF document text
    • https://divinehm.com/ckeditor/kcfinder/upload/files/3272037041.pdfIn PDF document text
    • https://buxijabis.weebly.com/uploads/1/3/5/3/135329720/8051899.pdfIn PDF document text
    • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16214a2d951e47---lomakovikapobeganovedibap.pdfIn PDF document text
    • https://winuvepesedop.weebly.com/uploads/1/3/4/4/134476249/5846899.pdfIn PDF document text
    • https://xowatugafax.weebly.com/uploads/1/3/4/8/134899368/dujiwesiwufevatax.pdfIn PDF document text
    • https://wegeduvoxu.weebly.com/uploads/1/3/4/6/134634177/fitiwuborog.pdfIn PDF document text
    • http://ohxto.com/uploaded_files/userfiles/files/duxotezejexesuloreju.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_off0000e8b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE8B5 17384 bytes
SHA-256: be3cb5d139803124b0f16b43f4f2bb1f8c0d57f158b77ee25ff33200636f082e
font_01_sfnt_off000115f8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x115F8 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012e0f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12E0F 11268 bytes
SHA-256: 364b1e7f8bda412b77eecf4e98605634853187f5958e59ba1cacf075597b27de