Malicious PDF — malware analysis report

Static analysis result for SHA-256 3bcb1c9a8d03113f…

MALICIOUS

PDF

244.2 KB Created: 2022-02-02 12:47:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: 58b902b51cab09c127676af68f98a33a SHA-1: 34cb02c5ca66237523bf6a3f4998a32485b2f6b3 SHA-256: 3bcb1c9a8d03113ff51a7580c599f772553fbce94dd97cd0bc740401f4cc0e11
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7819

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://yubit.co.za/XSRYdR1H?utm_term=ubuntu+mate+16.+04+32+bit PDF link annotation
    • https://alternatifhirdavat.com/upload/ckfinder/files/33960096020.pdfIn PDF document text
    • http://www.sport-konyv.hu/userfiles/file/molizifabimamakufelovaz.pdfIn PDF document text
    • http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160e97e6d68700---tikapigapuwe.pdfIn PDF document text
    • https://www.gaiascience.com.my/assets/adminpanel/plugins/ckeditor/plugins/kcfinder/upload/files/genol.pdfIn PDF document text
    • http://dison.cn/filespath/files/20210819072818.pdfIn PDF document text
    • http://wjvanderheidedienstverlening.nl/uploads/file/86730445849.pdfIn PDF document text
    • http://aligokdemir.com/resimler/files/zurufuwixigodamubi.pdfIn PDF document text
    • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613894a8b4f60---rasosutulu.pdfIn PDF document text
    • http://shceping.com/upFile/photos/2021-12/file/xadulomirenaxiwijapubi.pdfIn PDF document text
    • http://alanurturizm.com/rsm/files/jibozezasosuwifof.pdfIn PDF document text
    • https://lrsdev.com/userfiles/file/71874951998.pdfIn PDF document text
    • http://gyuco.com/uploadfile/files/20211117_154620.pdfIn PDF document text
    • http://www.dean-cpa.com/files/adminpic/file/61310667416.pdfIn PDF document text
    • http://chnli.tw/CKEdit/upload/files/darabisa.pdfIn PDF document text
    • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613f07ae7b786---bibubewexomajevut.pdfIn PDF document text
    • https://parklanehotel.asia/userfiles/file/godesimafepuvebuziwe.pdfIn PDF document text
    • https://kakakmanis.com/contents/files/50187407508.pdfIn PDF document text
    • http://georgewongdesign.com/gwd/upload/files/96660347185.pdfIn PDF document text
    • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/161af9e05da339---zumegokubunonovowovivogix.pdfIn PDF document text
    • https://taflanelektronik.com/img/userfiles/file/pipunidegipapijezux.pdfIn PDF document text
    • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d414b7d01d---69326484087.pdfIn PDF document text
    • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/161df6bba626ca---38190698667.pdfIn PDF document text
    • https://groupekineconcept.com/userfiles/file/87418771398.pdfIn PDF document text
    • https://producedepot.us/userfiles/files/33746091590.pdfIn PDF document text
    • https://eurouniversal.eu/ckfinder/userfiles/files/7016829181.pdfIn PDF document text
    • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a83918f0d4e---siditimomovavobijimorina.pdfIn PDF document text
    • http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mamupabuva.pdfIn PDF document text
    • http://ctkupavna.ru/upload/file/rafesofozog.pdfIn PDF document text
    • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/393ba8c4fe51375ab00425e4b563ef82/kejimakukab.pdfIn PDF document text
    • http://0851gay.org/userfiles/202107file/2021071400235870554.pdfIn PDF document text
    • http://yamada-kajuen.com/js/kcfinder/upload/files/90392758868.pdfIn PDF document text
    • https://breedlife.com/upload/files/tijebeverelugedufap.pdfIn PDF document text
    • https://hyper.oneewe.com/_img/files/mesolujigunedimesugales.pdfIn PDF document text
    • http://suchanekstomatolog.pl/files/file/kudekanef.pdfIn PDF document text
    • http://6nergy.fr/6nergy/sites/default/user/file/62397855389.pdfIn PDF document text
    • https://lufty.cz/UserFiles/files/68918563997.pdfIn PDF document text
    • https://karaari.leaddeehub.com/userfiles/files/pilina.pdfIn PDF document text
    • http://artdealer.vn/upload/fckimagesfile/98cd451b32f4ebea7dd934db075f368c.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_off000366cb.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off000366cb.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000366cb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x366CB 16420 bytes
SHA-256: f80695918e76ebc903b7a70ccd563bf0e736585ec50965daba4d13513ce0afa1
font_01_sfnt_off00039150.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39150 10860 bytes
SHA-256: a497550938ca36a4933fe1e82338c3f07939599ac10a1611cf79af6760729668
font_02_sfnt_off0003aa84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AA84 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9