Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0cf77affc1d7315…

MALICIOUS

PDF

407.5 KB Created: 2022-03-30 06:16:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-02
MD5: dceb1685a3f1e790b651c8abe5d261b6 SHA-1: cd591307485431a5ff90f1f5cdde4f9b595d5684 SHA-256: c0cf77affc1d73150e996e9a24678bc9a639aad2101d3a4e2ca00d5ff0dbaa43
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7921

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://livozowenenebu.weebly.com/uploads/1/3/0/8/130874097/garupafedixizerukak.pdf In PDF document text
    • http://robodit.ru/kcfinder/upload/files/kavifoputawej.pdfIn PDF document text
    • http://hacsbathtarntaran.org/~/userfiles/file/88598637281.pdfIn PDF document text
    • http://traktorpulling.de/ablage/userfiles/files/ridorevan.pdfIn PDF document text
    • http://lmnn.ru/userfiles/file/66453941022.pdfIn PDF document text
    • https://punujagenak.weebly.com/uploads/1/3/0/7/130775029/441dd7ef6.pdfIn PDF document text
    • https://cleanenergy.mn/uploads/files/19074986752.pdfIn PDF document text
    • http://hotelniagararimini.eu/userfiles/files/66695807811.pdfIn PDF document text
    • http://plan1.ir/assets/ckeditor/kcfinder/upload/files/2538418301.pdfIn PDF document text
    • https://ckv-siemreap.org/ckfinder/userfiles/files/5280935487.pdfIn PDF document text
    • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16208a2bf5c779---kibapemowukoguba.pdfIn PDF document text
    • https://www.kazaviaspas.kz/app/webroot/js/kcfinder/upload/files/figarewusixepur.pdfIn PDF document text
    • http://genevacars.ru/public/file/16638366430.pdfIn PDF document text
    • http://bwa.olsztyn.pl/bwa3/admin/kcfinder/upload/files/kilomel.pdfIn PDF document text
    • https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/162309a35495d5---jorirukuvuvatudubug.pdfIn PDF document text
    • https://bisetegu.weebly.com/uploads/1/3/4/5/134528498/95d27.pdfIn PDF document text
    • https://rais.bg/uploads/file/89758092674.pdfIn PDF document text
    • http://palazzodiaz.com/userfiles/files/99515859147.pdfIn PDF document text
    • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/hglp37k1m7bp47k009hgvq28lt/19008189693.pdfIn PDF document text
    • https://birexekexujivas.weebly.com/uploads/1/3/1/8/131858685/wizevewuwugedexevusu.pdfIn PDF document text
    • http://savemaxint.com/files/file/rejudazofipogenidiker.pdfIn PDF document text
    • https://voresefum.weebly.com/uploads/1/3/0/8/130813922/wijisadif.pdfIn PDF document text
    • https://belesekazisose.weebly.com/uploads/1/3/5/3/135397511/d60823087d47d.pdfIn PDF document text
    • http://dentish.ru/ckfinder/userfiles/files/8577502094.pdfIn PDF document text
    • https://xudodezepemixol.weebly.com/uploads/1/3/1/3/131398406/velupokuvofesafisik.pdfIn PDF document text
    • https://rogidalot.weebly.com/uploads/1/3/1/6/131636841/zojomutovupujof_xikobidudifula_roxipes_vezuduzat.pdfIn PDF document text
    • http://ministryofrum.com/memlogos/file/5603276022.pdfIn PDF document text
    • https://somotudodij.weebly.com/uploads/1/3/4/6/134699902/6839159.pdfIn PDF document text
    • http://digitalpolicycouncil.com/imagenes/file/tagijeseniwipi.pdfIn PDF document text
    • https://bikizulotozenap.weebly.com/uploads/1/3/1/8/131860645/9899940.pdfIn PDF document text
    • https://nebuxegakox.weebly.com/uploads/1/3/4/4/134404726/domiduziwozugatifese.pdfIn PDF document text
    • http://svadbavmoskve.com/content/xuploadimages/file/16157438046.pdfIn PDF document text
    • https://tejukazirinari.weebly.com/uploads/1/3/1/3/131398521/4b94d9dd1a4654.pdfIn PDF document text
    • https://yoyep.co.za/XSRYdR1H?utm_term=ejercicios+de+lexemas+y+morfemas+interactivosPDF 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_off0005e9e7.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0005e9e7.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0005e9e7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E9E7 11032 bytes
SHA-256: 4b3c50b7ebee079cd375b570ebc4f15291746477744fa99e8898af35d2bbb995
font_01_sfnt_off0006038b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6038B 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_02_sfnt_off00061aa6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61AA6 20016 bytes
SHA-256: 205cb7ce5116ad1c8a9d7c54dae9baef69df351826a3d9493518e3003dff70f5