Malicious PDF — malware analysis report

Static analysis result for SHA-256 0802aef5508981db…

MALICIOUS

PDF

332.5 KB Created: 2022-02-25 11:24:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-21
MD5: 874ebdf7dfcc759c54d5c7ed25ea3915 SHA-1: 88ec9441b6851486c279287f2b1fc11f1497f59e SHA-256: 0802aef5508981dbc518e7a6ae7d789f4e97ed07886f7714d779d7e9e9eff3c1
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7933

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • 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://norin.co.za/XSRYdR1H?utm_term=pronouns+and+antecedents+practice+worksheets PDF link annotation
    • http://nachhilfeschule.havonix.com/ckfinder/userfiles/files/17665280708.pdfIn PDF document text
    • https://chief-moving.com/editor_upload/file/tigasopixelajubogaxu.pdfIn PDF document text
    • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/d0dc368b6e677596e1a0004e5224d845/58602498798.pdfIn PDF document text
    • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/pkhmmhfjfe0p1se726d6981rme/36733060956.pdfIn PDF document text
    • https://sarikasocatering.com/assets/publik/files/najanusawavavunerasano.pdfIn PDF document text
    • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/161bef215a8462---27001980355.pdfIn PDF document text
    • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1619ff8285da71---novoxomaxex.pdfIn PDF document text
    • https://rockvalleytravel.net/files/files/jikogijenipim.pdfIn PDF document text
    • https://bankkartya.hu/js/ckfinder/userfiles/files/dekuzefavugawekesatamin.pdfIn PDF document text
    • http://mannadey.in/FCKeditor/file/sonemukoxizugigazaze.pdfIn PDF document text
    • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/85c66a02886e476cf6072e084986bbd7/91618786157.pdfIn PDF document text
    • https://irepairplus.nl/app/webroot/files/userfiles/files/28440639702.pdfIn PDF document text
    • http://pokrowce-ochronne.pl/Upload/file/vepudakexud.pdfIn PDF document text
    • http://daiduongmetal.com/uploads/ckfinder/files/tivilemazebaxekufi.pdfIn PDF document text
    • http://stacjaregeneracja.pl/userfiles/file/1784209172.pdfIn PDF document text
    • https://securitydm.rs/slicice/file/jenure.pdfIn PDF document text
    • http://tuanlongland.com/upload/files/91592142559.pdfIn PDF document text
    • https://mabuksusu.com/contents//files/turikamekotex.pdfIn PDF document text
    • https://www.notusweb.com.br/ckeditor/ckfinder/userfiles/files/magolagenadijuruzasidogu.pdfIn PDF document text
    • http://ptd-tver.ru/content/files/upload/files/8934067969.pdfIn PDF document text
    • https://ccs-corporation.com/ckfinder/userfiles/files/50529543834.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 extracted file (font_00_sfnt_off0004c4f0.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004c4f0.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0004c4f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C4F0 10844 bytes
SHA-256: 0b12d5d9984c8c14a946530600deb2d93079e3eced7b2c65a2e96e847daf606c
font_01_sfnt_off0004de04.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DE04 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0004f51f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F51F 17696 bytes
SHA-256: fcfb0f790ccd27e83ff54a4d16b7320c8f56bee0976aa097b08e21985bfabb9d