Malicious PDF — malware analysis report

Static analysis result for SHA-256 3dd8ce34a1310193…

MALICIOUS

PDF

151.9 KB Created: 2022-06-13 17:08:52 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-26
MD5: f1374c92852078fb96f50efce858c0d8 SHA-1: c855fcbc866d21b486a2b4aa70748d9ee517ce1c SHA-256: 3dd8ce34a1310193a6332c6c20064f5a70cd75821516ae65c4ed58b8e7c8dc79
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9104

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://sunuf.co.za/XSRYdR1H?utm_term=mapa+astral+completo+pdf+download+online+pc+free PDF link annotation
    • https://jawibugutidida.weebly.com/uploads/1/4/1/4/141493399/selej.pdfIn PDF document text
    • https://stopserv.ru/files/file/37306905491.pdfIn PDF document text
    • http://keifo.ru/ckfinder/userfiles/files/kizizinitatagotepowavad.pdfIn PDF document text
    • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/9e1133e1e8acd3b82f108b28acffbc6a/xurixejomubidowewip.pdfIn PDF document text
    • http://edilcfcostruzioni.com/userfiles/files/45971745778.pdfIn PDF document text
    • https://herfection.herfection.tw/upload/ckfinder_temp/files/20220505150500.pdfIn PDF document text
    • https://derechosenred.org/aym_image/files/nenoxuse.pdfIn PDF document text
    • https://munis-roquesalbes.cat/demo/vilalba/imatges/file/bekipeluxew.pdfIn PDF document text
    • http://salonorganica.ru/upload/files/nukuvegofurokanud.pdfIn PDF document text
    • http://mama-care.com/UserFiles/file/98054683391.pdfIn PDF document text
    • https://jitogomufe.weebly.com/uploads/1/3/4/5/134588764/lawefakepamorom_vimufiguvo_gimemal_pamazoj.pdfIn PDF document text
    • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/9daf66dc66fc0417fcf01cd210c80bcd/30649307209.pdfIn PDF document text
    • https://thucphamtruongxanh.com/Upload/files/pogase.pdfIn PDF document text
    • http://www.podunajsko.sk/app/webroot/ckeditor/kcfinder/upload/files/46712729729.pdfIn PDF document text
    • https://selakorudo.weebly.com/uploads/1/4/1/6/141623468/5856356.pdfIn PDF document text
    • https://poveruxite.weebly.com/uploads/1/4/1/7/141766452/eb66b90845665e.pdfIn PDF document text
    • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16217758c60c3f---xadotudonebojoloso.pdfIn PDF document text
    • http://dtyxbpzx.com/filespath/files/20220331015646.pdfIn PDF document text
    • http://tangneylaw.com/admin/images/file/todenon.pdfIn PDF document text
    • http://imobilestore.de/userfiles/file/68526713411.pdfIn PDF document text
    • http://villalapinetafavignana.it/userfiles/files/76773535277.pdfIn PDF document text
    • http://cana.vn/uploads/userfiles/file/fexizosigotuta.pdfIn PDF document text
    • http://phuctuong.vn/images/files/98134921506.pdfIn PDF document text
    • http://thegoshow.net/userfiles/file/pavuzonebukirofuxov.pdfIn PDF document text
    • https://kajuzenutojaso.weebly.com/uploads/1/3/4/6/134631714/4106769.pdfIn PDF document text
    • http://highlevel.pl/userfiles/file/86273845571.pdfIn PDF document text
    • http://taiwanquinoafamily.com/shopadmin/upload/files/pulatifekeju.pdfIn PDF document text
    • https://jarivilil.weebly.com/uploads/1/3/4/0/134012847/6106840.pdfIn PDF document text
    • http://sameiroeventos.pt/ficheiros/13746589355.pdfIn PDF document text
    • http://straha.net/pics/page/files/9672598495.pdfIn PDF document text
    • https://mifanupomiseri.weebly.com/uploads/1/3/2/6/132681757/e7511f45.pdfIn PDF document text
    • https://zetovesejideze.weebly.com/uploads/1/3/1/4/131482946/xanuzop_kixofoj_minuseja.pdfIn PDF document text
    • http://tchid.net/userfiles/file/dazizatoro.pdfIn PDF document text
    • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/162693cafd8726---55964578020.pdfIn PDF document text
    • http://wittlich-luexem.de/userfiles/file/24576774781.pdfIn PDF document text
    • http://lifebeachvilla.com/uploads/image/files/gorimogezederabixokimuxup.pdfIn PDF document text
    • https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16226591f71971---47953286962.pdfIn PDF document text
    • http://smcertificationservices.com/userfiles/files/tewotuw.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_off0001ea81.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1EA81 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off00020298.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x20298 10860 bytes
SHA-256: 1868a76883b78aae3ec46301b39a0cdefbe55c286b765c3117dd8e04719ab07e
font_02_sfnt_off00021bbf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x21BBF 20320 bytes
SHA-256: 13a2300c3e1871ebab02cc8836083a826e4e130d9ea86db5c2f2d75b67ca9982

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