Malicious PDF — malware analysis report

Static analysis result for SHA-256 875b3b0b8c8232df…

MALICIOUS

PDF

462.7 KB Created: 2022-03-04 22:05:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-05
MD5: 48cfefb9f036b301a7a358a288c1fd93 SHA-1: 9bff82d3fc897735caa6f46c9b1cfc8d7e145b63 SHA-256: 875b3b0b8c8232dfa5c7fde464f92cc03c073333685ff5cc00049f99b16801f0
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.5256

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
  • 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.
  • 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://mifuj.co.za/XSRYdR1H?utm_term=hand+lettering+for+beginners+worksheets PDF link annotation
    • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16220b1f1d8423---99284855967.pdfIn PDF document text
    • http://adanamega.com/userfiles/file/xiruwixuxofo.pdfIn PDF document text
    • https://hkki.org/userfiles/files/81189813960.pdfIn PDF document text
    • http://tuv-zimer.co.il/assets/userfiles/files/tavurijumiditix.pdfIn PDF document text
    • http://brothersconsultingllc.com/kcfinder/upload/files/47087312387.pdfIn PDF document text
    • http://21cedu.com/pds/userfiles/files/gexadisirotazopino.pdfIn PDF document text
    • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621f4db45994e---14222901719.pdfIn PDF document text
    • https://nomortiga.com/contents/files/23349009323.pdfIn PDF document text
    • https://ntdpoland.pl/eurostyl/photos/file/14218942170.pdfIn PDF document text
    • http://nagyberki.hu/sites/default/files/fck_uploads/file/62257075982.pdfIn PDF document text
    • http://a2kat.ru/userfiles/file/sovosexexux.pdfIn PDF document text
    • http://svb-volleyball.de/userfiles/file/fakuzeniz.pdfIn PDF document text
    • https://newshieldinsurance.com/demo/gsa/final/images/file/26677697620.pdfIn PDF document text
    • https://clickbox.ro/images/file/xiwudabidijumad.pdfIn PDF document text
    • http://gyogytornasziget.hu/uploads/files/wosipeneziwetexapisexu.pdfIn PDF document text
    • https://padservhosting.com/userfiles/file/51961669126.pdfIn PDF document text
    • http://sanfrancescovet.com/userfiles/files/79077651531.pdfIn PDF document text
    • http://sochi-polyana.com/ckfinder/userfiles/files/kozulajusafogotexevuw.pdfIn PDF document text
    • https://www.phoenixdentalacademy.co.uk/wp-content/plugins/super-forms/uploads/php/files/9826783d116a7fd9cc3b8e1da49bc6bf/80100655712.pdfIn PDF document text
    • https://www.uralhelicom.com/frontend/web/js/kcfinder/upload/files/deseburedezaparunapodedu.pdfIn PDF document text
    • http://flussobjekte.at/kcfinder/upload/files/zukixatuxuvobibid.pdfIn PDF document text
    • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/8701a119ae715d42b35b31465d6e17b8/65544304459.pdfIn PDF document text
    • https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/50843312830.pdfIn PDF document text
    • http://ninda.vn/userfiles/files/xesara.pdfIn PDF document text
    • http://lanaecoloridabruzzo.it/userfiles/file/72342568147.pdfIn PDF document text
    • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161f8983c1c87e---sinozubaj.pdfIn PDF document text
    • http://robertoantoniz.com/resources/original/file/97531520380.pdfIn PDF document text
    • http://www.bash.cl/media/file/worogatuwevojakixason.pdfIn PDF document text
    • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/mivonagipevifabapojow.pdfIn PDF document text
    • http://embauchecadre.com/kcfinder/upload/files/90564783521.pdfIn PDF document text
    • http://alacarte-grafik.de/userfiles/file/fifolosozemadujakowekeb.pdfIn PDF document text
    • http://cluboutletmoto.net/campannas/file/65972350158.pdfIn PDF document text
    • http://tks-forever.com/upload/2022/02/01/file/fevapudinik.pdfIn PDF document text
    • http://przystaneknida.pl/data/aktualnosci_imgs/file/zamoluluzatidujavin.pdfIn PDF document text
    • https://jurvamartin.com/userfiles/file/96850620753.pdfIn PDF document text
    • http://sujitonweb.com/userfiles/files/tuditanevemarivaxonedozal.pdfIn PDF document text
    • https://rtaadmin.mrv-educationservices.com/content_file/files/3446646126.pdfIn PDF document text
    • https://frischgeschluepft.de/kcfinder/upload/files/nuboneforovetobines.pdfIn PDF document text
    • http://noavarservice.com/ckfinder/userfiles/files/ratube.pdfIn PDF document text
    • http://cellfruits.com/ckfinder/userfiles/files/34684214322.pdfIn PDF document text
    • https://lepointdebeaute.be/userfiles/file/sitasefenufutugobigago.pdfIn PDF document text
    • http://ozhelalikram.de/resimler/files/99777615974.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_off0006cce9.bin)
    +1 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0006cce9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CCE9 10940 bytes
SHA-256: aa2b6e2af05c46d3287fa0ea509a79e7e0cd606d3f283aa4e55524fc2a1ce8a9
font_01_sfnt_off0006e5fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E5FE 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off0006fd19.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6FD19 17776 bytes
SHA-256: cf711281f2f7cc94a7fdaefe7d1463b2ae84788a809269d4900ea2e70d725de4