Malicious PDF — malware analysis report

Static analysis result for SHA-256 88b1762b0cb96d03…

MALICIOUS

PDF

301.6 KB Created: 2022-03-05 00:20:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-04-02
MD5: 62d7412d94cd74823ac0529761b1607d SHA-1: 16ed02504d7772a7f4fa8bf91fc1dd32982148d0 SHA-256: 88b1762b0cb96d03862aa3195d3b871d4aa63dd7ebf9680daf09d18279492c58
191 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6902

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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.
  • PDF advertises pirated movie streaming/download medium PDF_PIRACY_STREAMING_LURE
    PDF rendered text advertises free full-movie streaming or download using piracy-brand names or a 'full movie + download/free/watch' intent phrase — recovered after folding the styled Unicode confusables the campaign uses to hide those keywords from plain-text detection. These are disposable SEO-spam carriers that route users to malvertising, fake-player, and scam pages; the PDF itself is inert.
  • 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://lorofilmes.com/Uploads/ckfinder/userfiles/files/mesuzelojipatekuza.pdf In PDF document text
    • http://hotelparkplaza.in/app/webroot/js/kcfinder/upload/files/81576011807.pdfIn PDF document text
    • http://riverside-plaza.com/upload/userfile/files/49200666888.pdfIn PDF document text
    • https://kameno.bg/userfiles/files/83101687602.pdfIn PDF document text
    • http://www.atsamuihaus.com/image/upload/File/fesurovuwajurufisuwedas.pdfIn PDF document text
    • http://areawifi.com/DESARROLLO/userfiles/files/37468018643.pdfIn PDF document text
    • http://madervaf.com/admin/kcfinder/upload/files/vunatow.pdfIn PDF document text
    • https://betalinktech.com/blmedia/file/batavarezumi.pdfIn PDF document text
    • https://plasticosgyc.co/kcfinder/upload/files/mozunaxebuturepa.pdfIn PDF document text
    • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1621514a8a171d---wigiguwizopo.pdfIn PDF document text
    • http://andezit-bg.com/files/65077955056.pdfIn PDF document text
    • https://stockbauer.hu/uploads/file/52343973368.pdfIn PDF document text
    • http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620704118e017---58384105318.pdfIn PDF document text
    • http://partnercable.hu/files/xakasosesipabakoxenutejo.pdfIn PDF document text
    • http://www.domplit2006.ru/ckfinder/userfiles/files/36832695421.pdfIn PDF document text
    • https://alarrabnews.com/images/content/content/file/24800124002.pdfIn PDF document text
    • http://solmoda.it/userfiles/files/1313142029.pdfIn PDF document text
    • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16217d98416984---dowufenumuwililofede.pdfIn PDF document text
    • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16218a99686908---13029389159.pdfIn PDF document text
    • http://maulich.vn/attachment/files/52983619916.pdfIn PDF document text
    • http://www.superior-inkjet.com/login/ckfinder/userfiles/files/xuxorasuw.pdfIn PDF document text
    • http://gerastar.com/userfiles/file/movaxenareso.pdfIn PDF document text
    • http://global-leasing-management.com/uf/file/rokovibafoliwikowateke.pdfIn PDF document text
    • http://private-dev.cliczone.fr/upload/userfiles/files/wenuxazali.pdfIn PDF document text
    • https://saunadlaciebie.pl/userfiles/file/4078872935.pdfIn PDF document text
    • https://marketlayer.com/assets/kcfinder/upload/files/togijisu.pdfIn PDF document text
    • http://www.oloron-ste-marie.fr/Oloron/kcfinder/upload/files/67983183818.pdfIn PDF document text
    • http://denda.co.kr/ckfinder/userfiles/files/20288886747.pdfIn PDF document text
    • http://gpkoaee.ru/ckfinder/userfiles/files/88254167892.pdfIn PDF document text
    • http://mottaing.eu/userfiles/files/25032136893.pdfIn PDF document text
    • http://rld-carbon.ru/file/vegalifoxufawomuvi.pdfIn PDF document text
    • http://youzedu.com/ckimages/files/20220216062412159957.pdfIn PDF document text
    • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/162118c423c0f5---35647513588.pdfIn PDF document text
    • https://manenshop.com/upload/files/pisiwesi.pdfIn PDF document text
    • http://j1medical.com/uploaded/file/9937878131.pdfIn PDF document text
    • https://yoyep.co.za/XSRYdR1H?utm_term=ancien+regime+and+the+french+revolution+pdfPDF link annotation
    • https://malabarmail.com/ckfinder/userfiles/files/38026550961.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 extracted file (font_00_sfnt_off00043f32.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00043f32.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00043f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x43F32 20660 bytes
SHA-256: ecf6928db763b4e82f8fa7b6e77e6900df30fe6f9029b21aa0398a64defa52aa
font_01_sfnt_off00047550.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47550 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00048c71.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x48C71 11048 bytes
SHA-256: b84a3caabb5711ac7b7d17fbcb136560dde15bb37b7cbd11ede0334f11472e07