Malicious PDF — malware analysis report

Static analysis result for SHA-256 87553cf8b928a613…

MALICIOUS

PDF

245.0 KB Created: 2022-03-20 20:28:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-04
MD5: c8f1b33fc2094bd98371bdb401729148 SHA-1: d8e16c1010f7628c05068270335ebbbb96b3b2e3 SHA-256: 87553cf8b928a6132c032883bb53fa502b61567edf930f2b6f445901bc3092fb
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7822

Heuristics 5

  • 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.
  • 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://greensquares.in/userfiles/file///72765337454.pdf In PDF document text
    • http://cyklokomfort.cz/files/kcupload/files/76125971234.pdfIn PDF document text
    • http://angarakshaksecurity.com/userfiles/file/xulalulijalo.pdfIn PDF document text
    • http://gt-outillages.fr/ressource/site-image/files/kilulafefa.pdfIn PDF document text
    • https://braus.uz/images/shared/file/82567004332.pdfIn PDF document text
    • http://www.mswest.co.jp/cmsdesigner/kcfinder/upload/files/dazirutopamafus.pdfIn PDF document text
    • http://hammaddedunyasi.com/panel/kcfinder/upload/files/5496932665.pdfIn PDF document text
    • http://belspelen.nl/admin/kcfinder/upload/files/kemopiwivibekomevexafiv.pdfIn PDF document text
    • http://ing-triplee.com/ckeditor/kcfinder/upload/files/78608339658.pdfIn PDF document text
    • https://cap2013.aseat.fr/userfiles/file/99252346421.pdfIn PDF document text
    • http://akafgdsgreawy.pretty-match.com/upload/files/lagekimugepekotidunol.pdfIn PDF document text
    • http://uijaebooks.com/uploadfile/board_data/202203/file/1647738143.pdfIn PDF document text
    • http://simsvizag.com/simsimages/file/27281118026.pdfIn PDF document text
    • https://karaari.leaddeehub.com/userfiles/files/62205289488.pdfIn PDF document text
    • https://www.kindspring.org/inc/ckfinder/userfiles/files/baxubotadu.pdfIn PDF document text
    • http://whatifitspossible.com/ckfinder/userfiles/files/suwikisisanebafof.pdfIn PDF document text
    • http://wcsps.com.tw/ckfinder/userfiles/files/tapimavat.pdfIn PDF document text
    • http://zhuxintrading.com/uploads/ckfinder/files/20220201/16437043379592.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1621a64d5e5ebe---46711877363.pdfIn PDF document text
    • http://gabinetortodontyczny.eu/userfiles/file/67774788579.pdfIn PDF document text
    • https://lecinema.letheatre-narbonne.com/UserFiles/File/48400414280.pdfIn PDF document text
    • http://chandox.yun2u.com/upload/files/21301247979.pdfIn PDF document text
    • http://gachmenminhchien.com/media/ftp/file/kiviwefoji.pdfIn PDF document text
    • http://kleinschaden-expert.com/userfiles/file/95050830525.pdfIn PDF document text
    • http://bebcardkw.com/ckeditor-ckfinder-integration/uploads/files/68502565998.pdfIn PDF document text
    • http://karthikeyanjayaram.in/userfiles/file/91068617656.pdfIn PDF document text
    • https://yoyep.co.za/XSRYdR1H?utm_term=camscanner+pro+apk+bagas31PDF 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_off00036228.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00036228.bin)

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00036228.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x36228 16560 bytes
SHA-256: 924ad5cb737cfd9a34472b2046831991df4d3950e5f0d7b552a18309318c2ee9
font_01_sfnt_off00037943.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x37943 19604 bytes
SHA-256: 401f504c424ab51d14ca45e3a0b01827ff963041e8221c5e643afcb67cdf7a1c
font_02_sfnt_off0003ac77.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AC77 10968 bytes
SHA-256: 33867b91687c3b0c66be69e85032ea10b4e87fc96c3bd0cb844bcfcd80a5772d

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