Malicious PDF — malware analysis report

Static analysis result for SHA-256 1917b0b7be64b22f…

MALICIOUS

PDF

79.0 KB Created: 2022-04-23 17:37:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: a02504e104f1098b4761a9fc29ae56f5 SHA-1: 6a8ff262e604d396f42ffd3e132860f9ed9bf250 SHA-256: 1917b0b7be64b22f1f75e14681ad0dbc7e9b21eb8c3d97fb980a3d8e7f441b0a
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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
  • 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://podar.co.za/YmrXLWy8?keyword=baixar%20m%C3%BAsica%20de%20belchior%20divina%20com%C3%A9dia%20humana PDF link annotation
    • https://fuxekuliwomu.weebly.com/uploads/1/3/4/8/134864819/pusewenulofizagowu.pdfIn PDF document text
    • https://www.ruchya.com.tw/upload/files/zuvazejeruvagolubom.pdfIn PDF document text
    • https://lukikezifad.weebly.com/uploads/1/3/4/7/134756415/a580e7fe5ab0.pdfIn PDF document text
    • https://biridavevisosel.weebly.com/uploads/1/3/1/4/131406146/b2adfc964ed71f.pdfIn PDF document text
    • https://bunutawopuzo.weebly.com/uploads/1/3/4/8/134868528/farenowukudojoro.pdfIn PDF document text
    • https://xijitivagafe.weebly.com/uploads/1/3/4/7/134709267/9045540.pdfIn PDF document text
    • http://longarmquiltingacadamy.com/fckeditor/userfiles/file/73343224891.pdfIn PDF document text
    • http://magischtheater.nl/userfiles/file/tamamuga.pdfIn PDF document text
    • https://xemubafuwifo.weebly.com/uploads/1/3/4/4/134475424/9166261.pdfIn PDF document text
    • https://gudugobaxav.weebly.com/uploads/1/3/4/5/134500737/vipesawisovusani.pdfIn PDF document text
    • https://dominegum.weebly.com/uploads/1/3/4/3/134370126/160357d74.pdfIn PDF document text
    • http://fixafilm.se/userfiles/file/zolidaji.pdfIn PDF document text
    • https://numuteje.weebly.com/uploads/1/3/4/6/134683694/kufizezikotoj.pdfIn PDF document text
    • https://globalcareerclub.com/FCKeditor/userfiles/file/ximokodoloxawiwuliw.pdfIn PDF document text
    • http://sanraimundo.cl/dyn/uploads/file/gubexiwalusuzujabixa.pdfIn PDF document text
    • http://hgftc.com/UserFiles/2022/04/07/files/jozikusowonixoduj.pdfIn PDF document text
    • https://wosabawa.weebly.com/uploads/1/3/5/3/135390578/23ee2f71.pdfIn PDF document text
    • https://sibojigejediwij.weebly.com/uploads/1/3/4/6/134606131/e71c879cd1c.pdfIn PDF document text
    • http://bresky.cz/res/file/fagubenuzagaritumotoregin.pdfIn PDF document text
    • https://doxifivot.weebly.com/uploads/1/3/4/2/134235468/gotaviridekabitaw.pdfIn PDF document text
    • https://xowarumi.weebly.com/uploads/1/3/4/5/134519529/fatikififalu.pdfIn PDF document text
    • https://vowemiwa.weebly.com/uploads/1/3/5/3/135392560/7502a3e00671d8e.pdfIn PDF document text
    • http://www.bauernmusikkapelle-stjohann.at/CMS/ckeditor/kcfinder/upload/files/25750910573.pdfIn PDF document text
    • https://xejoxobufedad.weebly.com/uploads/1/3/3/9/133997298/2982494.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_off0000cb70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB70 11268 bytes
SHA-256: e1b490ac44a9b1adc2b40726cfe93fe2a633e075c0e5d2178af5c1ef77bdbe4f
font_01_sfnt_off0000e535.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE535 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off0000fd47.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD47 18392 bytes
SHA-256: 8a85fc64ed3fd8a836184128b44c7287ccf66b2373e8a6d2927af57d43dc99fa

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