Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7698a33f1f8b96…

MALICIOUS

PDF

451.9 KB Created: 2022-02-13 16:24:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 2b10a94e81d9591128b424d23091710c SHA-1: 46375bbca36bac192d56a9d61f25e79352d74e5f SHA-256: cd7698a33f1f8b96c2b627721f160a19252803158057c43f0087b6209eadd6f9
164 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.6932

Heuristics 7

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://wirut.co.za/XSRYdR1H?utm_term=jeep+grand+cherokee+2014+user+manual PDF link annotation
    • http://usmleworkout.com/files/file/91940959289.pdfIn PDF document text
    • http://www.mananthavadynorbertines.org/www/js/ckfinder/userfiles/files/91736817767.pdfIn PDF document text
    • http://xn--80aejmo0alc.xn--p1ai/ckfinder/userfiles/files/75499305285.pdfIn PDF document text
    • http://anandtouristcorporation.com/uploads/50852840990.pdfIn PDF document text
    • http://perchegouet.com/ckfinder/userfiles/files/46259209563.pdfIn PDF document text
    • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/161a668c4a80e3---tigadifogumatub.pdfIn PDF document text
    • https://signatureshreyas.in/userfiles/file/fabejip.pdfIn PDF document text
    • https://mfdesign.hu/files/file/biwigesejiburabomimono.pdfIn PDF document text
    • http://youngthisyear.com/ckfinder/userfiles/files/8547817186.pdfIn PDF document text
    • https://jkmart.net/FCKFiles/File/67333824862.pdfIn PDF document text
    • https://siam-royal-view.ru/data/files/89122161579.pdfIn PDF document text
    • http://articolo17.it/siti/usr/foto/files/15632262983.pdfIn PDF document text
    • http://upservice.expert/admin/ckfinder/userfiles/files/xifezazawijos.pdfIn PDF document text
    • http://jiin-torng.com/uploadfiles/20211113080146.pdfIn PDF document text
    • https://cytokin.ca/upload/editor/file/jejibexovenibamikan.pdfIn PDF document text
    • http://limoride.net/gallery/file/40216072582.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_off000695f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x695F3 11328 bytes
SHA-256: 0e8d0067f8c893d99aa0cbe1bf3f16f05d4acfe1a62200ab8159547c43e6a4b2
font_01_sfnt_off0006b04e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B04E 22100 bytes
SHA-256: 4d79517b467eb69a1ae6abf0064348df867837ebed61c0e8aa136746de2e7584
font_02_sfnt_off0006e96b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6E96B 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9