Malicious PDF — malware analysis report

Static analysis result for SHA-256 98fc9420c979364f…

MALICIOUS

PDF

379.8 KB Created: 2022-03-15 02:32:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-07-08
MD5: e12fcc1d008bc7fad9282ea4bcb0b06a SHA-1: afaf596280b1c00aa77d5585b887e98988b0aae4 SHA-256: 98fc9420c979364ffef498311c3ac191e05b5d650acb39882200a4cc50ae38ab
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6606

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 http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/gorusarenopizel.pdf In PDF document text
    • https://sandpiperpressurecleaning.com/nbloom/fckuploads/file/8020063818.pdfIn PDF document text
    • http://cnwt.mgo.cool/upfile/files/2022/02/19/lalamigegajonurexadigibov.pdfIn PDF document text
    • https://www.amis-simserhof.fr/kcfinder/upload/files/vegojonevepivo.pdfIn PDF document text
    • http://dom-2000.ru/ckfinder/userfiles/files/69334646109.pdfIn PDF document text
    • http://www.sircom.org.br/tools/includes/kcfinder/upload/files/nujuwojafijufolukegut.pdfIn PDF document text
    • http://digitaluzaktanegitim.com/calisma2/files/uploads/xenabodozemedudadime.pdfIn PDF document text
    • https://vetregistr.com/ckfinder/userfiles/files/gajegewi.pdfIn PDF document text
    • https://sedefartphotography.com/resimler/files/88208173538.pdfIn PDF document text
    • http://www.verneteco.com/ckfinder/userfiles/files/65055031155.pdfIn PDF document text
    • http://indyztyle.com/ckfinder/userfiles/files/lumipef.pdfIn PDF document text
    • http://scales-center.com/shop/fck_file/file/purisisoregadalomosamesa.pdfIn PDF document text
    • http://angarakshaksecurity.com/userfiles/file/rimipunejojog.pdfIn PDF document text
    • http://birizgardenhotel.com/userfiles/file/mizuguvimemaninokiw.pdfIn PDF document text
    • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/50d7b30fab4651d56c792b62f1da2512/55023846830.pdfIn PDF document text
    • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620162305c3c2---ragufo.pdfIn PDF document text
    • https://searchkar.com/ci/userfiles/files/7707714101.pdfIn PDF document text
    • http://agapetown.net/ckfinder/userfiles/files/1134511062.pdfIn PDF document text
    • https://m-isc.com/userfiles/file/xiterowowagonetanix.pdfIn PDF document text
    • https://ons-station.com/editor_upload/file/64675919757.pdfIn PDF document text
    • http://lmnn.ru/userfiles/file/nevajevipuw.pdfIn PDF document text
    • https://adikkeempat.com/contents/files/fezukixugiwarelunonax.pdfIn PDF document text
    • http://paten.kuduskab.go.id/packages/upload/kcfinder/upload/files/zipuropofifijajixigabano.pdfIn PDF document text
    • https://ikitellirezistans.com/upload/files/kejorelozabigaronuru.pdfIn PDF document text
    • https://saikekanglun.com/filespath/files/20220313164540.pdfIn PDF document text
    • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/381a0952ccb3fd111474fa201008e48e/88047749983.pdfIn PDF document text
    • https://tevav.co.za/XSRYdR1H?utm_term=heart+failure+management+guidelines+racgpPDF link annotation
    • 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_off0005817a.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005817a.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005817a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5817A 10936 bytes
SHA-256: beb71c010b8f272a03b3837c689a93b4c88dfa3c16feff66cc4f54c03b6d3ac4
font_01_sfnt_off00059a84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x59A84 17776 bytes
SHA-256: f7caa21d76ad48e63d7116f4e07ec60402ea155d48c79944123e355c2fb7d2d6
font_02_sfnt_off0005c8fd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C8FD 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9