Malicious PDF — malware analysis report

Static analysis result for SHA-256 875f8b30113494d0…

MALICIOUS

PDF

314.4 KB Created: 2022-03-03 11:12:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-04
MD5: dcb31d28254cf2af2a9e70edcc889656 SHA-1: 888146e8ed452be6662241063f9f0123cd97422c SHA-256: 875f8b30113494d0bac680bb3689a039cb8b0e0b0e47956354b933ed24491c0b
166 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7582

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://loheb.co.za/XSRYdR1H?utm_term=ac+market+apk++free+full+version PDF link annotation
    • https://ht-cooling-j3t.com/contents/files/jowosifogofutako.pdfIn PDF document text
    • https://gicz.jp/uploads/kc-uploads/tmp/files/86250067196.pdfIn PDF document text
    • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621943803de13---relevaj.pdfIn PDF document text
    • https://maria-galland.ru/files/file/jomej.pdfIn PDF document text
    • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/162190c5fc8904---39521606879.pdfIn PDF document text
    • http://alseera.com/admin/kcfinder/upload/files/satifimumibopafakukug.pdfIn PDF document text
    • http://sns-russia.ru/userfiles/file/kezogu.pdfIn PDF document text
    • http://glassinter.de/kcfinder/upload/upload/88277784294.pdfIn PDF document text
    • http://thespaceproduction.com/admin/userfiles/file/80585387463.pdfIn PDF document text
    • http://bilasiparacollege.org/assets/kcfinder/upload/files/repumudi.pdfIn PDF document text
    • https://longislandinvestmentadvisors.com/nini/userfiles/file/wejun.pdfIn PDF document text
    • https://miet.hu/kepek/lodufolikokiwusowe.pdfIn PDF document text
    • http://starejsasporocila.igorgabrovec.eu/userfiles/file/geropixevudafumuvaliwano.pdfIn PDF document text
    • https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/91325ead991672f70757365a075485a5/gugozematuterofuvejex.pdfIn PDF document text
    • http://gabident.pl/local/userfiles/file/vozemenofum.pdfIn PDF document text
    • http://xn--zb0b8a770aowi8xe5tfo88a.com/upload/tmp/file/1644214191.pdfIn PDF document text
    • https://www.tocarufar.com/sgc/Assets/Plugins/CKEditor/kcfinder/Uploads/files/39546672469.pdfIn PDF document text
    • http://kkc1.org/htdocs/cljr/data/files/18642911838.pdfIn PDF document text
    • https://advantage.ee/media/contents/file/74841473693.pdfIn PDF document text
    • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621e17efbd96f---badapoji.pdfIn PDF document text
    • http://forensique.com/app/webroot/kcfinder/upload/files/darenevakufamemazusid.pdfIn PDF document text
    • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1620d6b8875844---25322861607.pdfIn PDF document text
    • http://phubozena.pl/userfiles/file/jowobukizukikan.pdfIn PDF document text
    • http://retete.pentrugatit.ro/userfiles/file/puzodun.pdfIn PDF document text
    • http://denki-shonan.com/uploadsfile/90777494852.pdfIn PDF document text
    • https://baglab.pl/galeria/file/gukabimetisu.pdfIn PDF document text
    • https://garnizone.com/userfiles/file/sipaj.pdfIn PDF document text
    • http://shrlie.com/upload_fck/file/2022-2-17/20220217105557311619.pdfIn PDF document text
    • http://jogastudioveszprem.hu/kcfinder/upload/files/minenureleloranaziz.pdfIn PDF document text
    • https://mapithanhcong.com/upload/ck/files/25584715002.pdfIn PDF document text
    • https://beehaviour.nl/userfiles/file/28686176762.pdfIn PDF document text
    • https://astefin.ro/ckfinder/userfiles/files/raxetuba.pdfIn PDF document text
    • http://cnokorea.com/userfiles/file/1322659482.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_off00047a12.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00047a12.bin)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00047a12.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x47A12 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off0004912d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4912D 18436 bytes
SHA-256: f86ea3048df803561a240720302656242535ec83cc2b718d0ee7ec7fb5116ee3
font_02_sfnt_off0004c0b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4C0B1 10880 bytes
SHA-256: f7d40458dd7089c72a3abf4cba0cbb2e4b6135f352c36748c7876c48456a1673