Malicious PDF — malware analysis report

Static analysis result for SHA-256 f993b725bf18de24…

MALICIOUS

PDF

658.7 KB Created: 2022-02-09 11:50:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 2f32dfaf65b9196d3b4ba8823eeb3c9c SHA-1: 003e70b86f8b180796a2055b37469073916c7ea3 SHA-256: f993b725bf18de2441b2fe77e79285274cf01b69c2485317859a8f8917ba39a6
136 Risk Score

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3501

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://sunuf.co.za/XSRYdR1H?utm_term=hemant+and+nandita+size+guide PDF link annotation
    • http://hieuchuan.com/upload/files/30685356636.pdfIn PDF document text
    • http://omatsuri.kr/data/userfiles/files/93159932967.pdfIn PDF document text
    • http://sovaimm.it/userfiles/files/61418949096.pdfIn PDF document text
    • https://eagleegg5k.com/ckfinder/triplebuserfiles/file/gaditemikumazigo.pdfIn PDF document text
    • https://avukat.kocgrafik.net/upload/files/nutunazeritazi.pdfIn PDF document text
    • http://old.muzeum-ak.pl/newsysn/kcfinder/upload/files/23852399682.pdfIn PDF document text
    • http://resheto.ru/users_images/fck/file/57887229929.pdfIn PDF document text
    • http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/v7matihse41ugqbrb62fn2tqe0/pejigo.pdfIn PDF document text
    • https://atamergranit.com/userfiles/file/zirizamab.pdfIn PDF document text
    • http://teresachild.com/upload/files/77394242458.pdfIn PDF document text
    • https://globalcircle.club/userfiles/file/zorisawinogopib.pdfIn PDF document text
    • http://worksaudit.org.bd/assets/ckeditor/kcfinder/upload/files/76760242236.pdfIn PDF document text
    • http://kasargod.net/uploads/file/81294012442.pdfIn PDF document text
    • http://vietlinktour.com/userfiles/file/4177101103.pdfIn PDF document text
    • https://www.elshandmadedesign.nl/ckfinder/userfiles/files/80896556597.pdfIn PDF document text
    • http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b6c20812ec5---gutuditetarevepul.pdfIn PDF document text
    • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612cc20c2f0c3---77588820583.pdfIn PDF document text
    • http://hvezda-pardubice.cz/files/file/lapijotitole.pdfIn PDF document text
    • http://chroscina.com/userfiles/file/pelejogubar.pdfIn PDF document text
    • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4d6983ffb---rikesonunateg.pdfIn PDF document text
    • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1614610a781ba7---98560279183.pdfIn PDF document text
    • https://prcomponents.com/ckfinder/userfiles/files/dusenefomar.pdfIn PDF document text
    • http://hatowo.com/app/webroot/uploads/files/nosozizumavabarogubalagu.pdfIn PDF document text
    • https://somogyplusz.hu/files/tijelugitopotegura.pdfIn PDF document text
    • http://andersen-racing.com/pictures/editor/files/bubel.pdfIn PDF document text
    • http://fusen-es.info/yamituki-n/uploads/files/wumafizomi.pdfIn PDF document text
    • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/161b250a363158---wamewakibara.pdfIn PDF document text
    • http://rabotatver.ru/userfiles/admin/86762191157.pdfIn PDF document text
    • http://saveursetsavoirs.fr/image/file/86232347695.pdfIn PDF document text
    • http://6nergy.fr/6nergy/sites/default/user/file/somegefadigebebib.pdfIn PDF document text
    • http://mizuho-co.net/file/ck/files/pafijuwapefagepanimix.pdfIn PDF document text
    • http://schneider-glossa.ru/kcfinder/upload/files/53768660953.pdfIn PDF document text
    • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16160b9f426f1a---63677762688.pdfIn PDF document text
    • http://mecateengenharia.com.br/ckfinder/userfiles/files/suveje.pdfIn PDF document text
    • http://hklh.vip/data/attachment/file/tulanevala.pdfIn PDF document text
    • https://stop-remont.ru/ckfinder/userfiles/files/6540346307.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_off0009da62.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DA62 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0009f182.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9F182 10476 bytes
SHA-256: e15fac9b26e142639c5b156ffa04093f36038b5a840ffc6b198e4a0bc8a30aba
font_02_sfnt_off000a090f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA090F 18916 bytes
SHA-256: 802c34b4bc368782b0c5fda04b25b07665150652905344dcd994e2465cc03db1

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