Malicious PDF — malware analysis report

Static analysis result for SHA-256 4453e60bf1379bb6…

MALICIOUS

PDF

84.7 KB Created: 2022-04-18 20:03:36 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: ffbd549916455a460217059b402155d7 SHA-1: b03000d61eb0e13880a71dca57e9642b33c3f15d SHA-256: 4453e60bf1379bb69ff74a80196fdfdea66a8df4f0a7d26f573598963ce05b68
156 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://yoyep.co.za/YmrXLWy8?keyword=bowflex%20max%20trainer%20m5%20shipping%20weight PDF link annotation
    • http://miraesusan.com/ckupload/files/81942474465.pdfIn PDF document text
    • http://zahradnisluzby.eu/foto/image/files/puwalukodeza.pdfIn PDF document text
    • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620f78c93ddcb---87168160497.pdfIn PDF document text
    • https://sentralperdana.com/file/vapawokimiseg.pdfIn PDF document text
    • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161ffc8a6786a2---32954423780.pdfIn PDF document text
    • https://geworusidexaj.weebly.com/uploads/1/3/5/3/135306562/dugoped.pdfIn PDF document text
    • https://licensing-centre.poweredbypaf.com/files/42491047534.pdfIn PDF document text
    • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/162033af156c03---35481071877.pdfIn PDF document text
    • http://permagnet.com/upload_files/file/220403214759495498txh1ue.pdfIn PDF document text
    • https://todonuratalojin.weebly.com/uploads/1/3/4/6/134605818/zezusawagamuw.pdfIn PDF document text
    • https://wilgekrans.com/admin/user_files/files/nudowezovifoduku.pdfIn PDF document text
    • http://xz-brand.com/ckfinder/userfiles/files/negaxugusabojarimutu.pdfIn PDF document text
    • https://drgcode.managenet.ro/images/file/zibosalemexamerodare.pdfIn PDF document text
    • http://puebloexec.com/userfiles/file/29594151024.pdfIn PDF document text
    • http://yevres.fr/ckfinder/userfiles/files/59342622644.pdfIn PDF document text
    • https://fanamixaxa.weebly.com/uploads/1/3/4/0/134017579/mixuzusuvobosolonuw.pdfIn PDF document text
    • https://gamedunyasi.com/calisma2/files/uploads/44803808888.pdfIn PDF document text
    • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/deda3f462b1d5a5baf067e735a3dfd79/gamejikuru.pdfIn PDF document text
    • https://ruwadegefanum.weebly.com/uploads/1/3/4/1/134108857/1644989.pdfIn PDF document text
    • https://smartelite.org/uploadimages/files/tenuzorewikawam.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbc5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBC5 17044 bytes
SHA-256: 2466fe53adff21d1e7fba3f1f919cd00a590c38a3a55aca3eded3af92a725eba
font_01_sfnt_off00010879.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10879 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off00012086.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12086 2044 bytes
SHA-256: 9ff0be215eda4510cc1b192ab1b3482226358aa5dcf0ff2a485682e2549b9830
font_03_sfnt_off000129e4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x129E4 11180 bytes
SHA-256: 3bf81ae20e41e40be933b4f673acbb93f683e78ae3b5d1010d8dca0b32ef6821