Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd73c669eb58e314…

MALICIOUS

PDF

75.1 KB Created: 2022-03-29 18:50:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: d801d42a56af4093f2c8f8b5f5dc01e6 SHA-1: 0aac432f713306699307fb74277bdad713a760d9 SHA-256: cd73c669eb58e3140f8af0807aff0c5beb133057913bf1373421a51d14e5b242
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://cafij.co.za/YmrXLWy8?keyword=a%20man%20of%20the%20house%20apk PDF link annotation
    • http://centronegozi.com/public/bifojabapuje.pdfIn PDF document text
    • https://gipivibeg.weebly.com/uploads/1/3/4/3/134341606/wexewap.pdfIn PDF document text
    • http://gesundezellen.de/neu/userfiles/file/ribenadakedeboxen.pdfIn PDF document text
    • https://gujetorepirun.weebly.com/uploads/1/3/4/5/134502828/c1ebbf6053106a5.pdfIn PDF document text
    • http://fsgzb.com/upfolder/e/files/20220227183400.pdfIn PDF document text
    • https://lixabepona.weebly.com/uploads/1/3/4/5/134530066/9747480.pdfIn PDF document text
    • https://sawonelezaxiso.weebly.com/uploads/1/3/4/5/134588179/a6079111722fa.pdfIn PDF document text
    • https://kuwaitpolyurethane.com/ckfinder/userfiles/files/76694749715.pdfIn PDF document text
    • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1623636fcef085---deviv.pdfIn PDF document text
    • https://merten-rozetki.su/kcfinder/upload/files/39806227695.pdfIn PDF document text
    • https://pobanofesu.weebly.com/uploads/1/3/1/3/131398475/fitigav.pdfIn PDF document text
    • http://nahar-bd.com/assets/ckeditor/kcfinder/upload/files/49622589555.pdfIn PDF document text
    • https://seruvukajobal.weebly.com/uploads/1/3/4/4/134479042/9130966.pdfIn PDF document text
    • http://whkmradio.com/userfiles/file/valizusavavusego.pdfIn PDF document text
    • https://pofivotelovij.weebly.com/uploads/1/3/4/3/134310926/selola_donivurigojos_gevawekatozodu_rapusonaki.pdfIn PDF document text
    • https://daynexweb.com/upload/ckfinder/files/serodonukagubuf.pdfIn PDF document text
    • https://scorestop.com/uploads/files/37898124355.pdfIn PDF document text
    • http://ashioke.com/images/library/File/xowufogefiwubifa.pdfIn PDF document text
    • http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/99284241337.pdfIn PDF document text
    • https://betalinktech.com/blmedia/file/23264557163.pdfIn PDF document text
    • http://ardeche.proximeo.com/ckfinder/userfiles/files/25906817349.pdfIn PDF document text
    • https://solturism.ro/images/file/fakutudoguziku.pdfIn PDF document text
    • https://duxujemiw.weebly.com/uploads/1/3/4/7/134743688/1025771.pdfIn PDF document text
    • https://xilemuje.weebly.com/uploads/1/3/4/2/134265988/7736677.pdfIn PDF document text
    • https://numuteje.weebly.com/uploads/1/3/4/6/134683694/kufizezikotoj.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_off0000c08c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC08C 19316 bytes
SHA-256: 7417c4137f4764866ebec101bb14c0fbf0f696a3cfbcd74da8d485237f13a029
font_01_sfnt_off0000ef9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF9D 10556 bytes
SHA-256: 04b0002b3db384777fa97cba81fe0838a166ee477a6a90a651b96e0212cf44e5
font_02_sfnt_off0001078f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1078F 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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