Malicious PDF — malware analysis report

Static analysis result for SHA-256 191c03c6276759bd…

MALICIOUS

PDF

74.2 KB Created: 2021-09-12 06:12:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: ddd72c052c579787b51e3d8a526176c1 SHA-1: fa55b564d3cfc47d657733dd563fd870490f9424 SHA-256: 191c03c6276759bd1be198a3e5f06f68f150aea3c2cda308bde4ade7293c093a
176 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9973

Heuristics 7

  • 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.
  • QR-code redirect lure medium SE_QR_LURE
    Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
  • 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 http://wangguanhardware.com/userfiles/file/89395221118.pdf In PDF document text
    • http://omni-links.com/images/blog/file/jijedomelelaji.pdfIn PDF document text
    • http://ceomit.com/fckupload/file/61156206175.pdfIn PDF document text
    • http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/2a047255a8b6eb9c0d99b7cc68d30a01/24520909539.pdfIn PDF document text
    • http://zeroseistudio.eu/userfiles/files/wariv.pdfIn PDF document text
    • https://cakesandcupcakes.net/userfiles/files/78459942743.pdfIn PDF document text
    • https://kawanmto.com/contents/files/zujilenozivem.pdfIn PDF document text
    • http://luijkzonwering.nl/image/file/buvalad.pdfIn PDF document text
    • http://duetsepolno.pl/userfiles/file/sawisox.pdfIn PDF document text
    • https://98ing.com/upload/ck/files/20210903_052916.pdfIn PDF document text
    • https://snapstudios.ca/userfiles/file/zuxijoturukovedabajiwafav.pdfIn PDF document text
    • https://kit-veron.my/ckfinder/userfiles/files/mufugifi.pdfIn PDF document text
    • http://bienbao.org/uploads/files/86096434007.pdfIn PDF document text
    • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613a03f2d4d52---tatamigepifodimebi.pdfIn PDF document text
    • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/e69be62aa00b0e174ed569509209bc7e/75138317554.pdfIn PDF document text
    • http://romanasulcikova.cz/userfiles/wofusozizizexusoweruzi.pdfIn PDF document text
    • http://luluscafeonline.com/uploads/files/43171117813.pdfIn PDF document text
    • http://bhavalaya.org/ckfinder/userfiles/files/fitel.pdfIn PDF document text
    • http://mp-hd.de/data/aktualnosci_imgs/file/pavovem.pdfIn PDF document text
    • https://crownprolaw.com/userfiles/Proj_Name/files/giratajotegedul.pdfIn PDF document text
    • https://ipekyolumedya.com/resim_galeri/file/tejekifazetixin.pdfIn PDF document text
    • http://samocvet.org/foto/ck/files/13510762608.pdfIn PDF document text
    • https://excellencetogether.com/img/files/file/dovivosifiwenotetopib.pdfIn PDF document text
    • https://ladulceseguros.ar/noticias/fckeditor/file/84450683791.pdfIn PDF document text
    • http://neza.cz/UserFiles/File/pozamitesavaje.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=deadpool+2+super+duper+cut+full+moviePDF link annotation
    • 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_off0000bc0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC0E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000d420.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD420 17380 bytes
SHA-256: 03a39eba63a297932ac7f1f116ff80ebd19b5163dfdde68834a0d15a0adaf7e3
font_02_sfnt_off00010144.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10144 10964 bytes
SHA-256: 6a6a482470a3959f6bb3a65027f05a3c9399ca8dc7d105620f3f1541325e71cd