Malicious PDF — malware analysis report

Static analysis result for SHA-256 55224fc57546ce33…

MALICIOUS

PDF

326.9 KB Created: 2021-12-27 01:48:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-05-20
MD5: 34877f64f040b01c56adf75920c09270 SHA-1: eed3280fcf591d7fb9723eec72507e336fbe0e6e SHA-256: 55224fc57546ce33791d5bbfe2fb1a2f72e5fe8b0a903fe5ace20daaa5b2ed22
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7916

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://fecoil.com/userfiles/file/12893698077.pdf In PDF document text
    • http://badischer-kunstverein.de/ckfinder/userfiles/files/bitegef.pdfIn PDF document text
    • https://nutritie-metabolism-sanatate.ro/app/webroot/files/userfiles/files/digesufiduwopisijogigim.pdfIn PDF document text
    • http://friend5190.xyz/js/ckfinder/userfiles/files/85772259049.pdfIn PDF document text
    • https://sharmtocairo.com/userfiles/files/kogezidilogoj.pdfIn PDF document text
    • http://ascensionchina.com/userfiles/file/dipolidalojo.pdfIn PDF document text
    • https://thehealerspoint.in/admin/userfiles/file/xotibulitu.pdfIn PDF document text
    • http://mamnonsaokhue.vn/app/webroot/files/ckfinder/files/41947368324.pdfIn PDF document text
    • http://www.aaar.cat/assets/js/ckfinder/userfiles/files/luwenevepeb.pdfIn PDF document text
    • http://gzperson.com/uploadfile/files/tosovijigus.pdfIn PDF document text
    • http://studiolorenzino.eu/userfiles/files/45209836462.pdfIn PDF document text
    • http://yuhao-tech.com/userfiles/file/96077362664.pdfIn PDF document text
    • https://mb-classic-service.de/userfiles/file/gipibalolafoxom.pdfIn PDF document text
    • http://smartickgroup.com/userfiles/20226071657.pdfIn PDF document text
    • http://www.tsahimmongol.com/uploads/images/files/51628022292.pdfIn PDF document text
    • https://alyosserspneed.com/userfiles/files/sekubigisonijefaruwen.pdfIn PDF document text
    • http://tnslib.tools/userfiles/files/xojononodilatavugali.pdfIn PDF document text
    • http://kennycojewelry.com/userfiles/files/202112/1640244828.pdfIn PDF document text
    • http://kovove-ploty-brany-zabradli.cz/UserFiles/File/37131255736.pdfIn PDF document text
    • https://www.rapn.ru/ckfinder/userfiles/files/14729948539.pdfIn PDF document text
    • https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/r9lb4hvqgf9upk24ab6qahl0rp/7221368183.pdfIn PDF document text
    • http://centrons.com/uploaded/file/77590813461529dfd853b5.pdfIn PDF document text
    • http://fsanaq.com/upload/file/211022134819784627rwlyrks3avgt.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/HTGXzuRVGb4/uplcv?utm_term=birla+carbon+sustainability+reportPDF 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_off0004ad70.bin)
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004ad70.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_off0004ad70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4AD70 18496 bytes
SHA-256: 184abc52377e29028b50933a83c509516128e5e49604a2a549d1bdd03157831f
font_01_sfnt_off0004dd82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4DD82 10772 bytes
SHA-256: 90b812f7d4b207a6aba5162ad8172b0bc607b34a068cd742c174284ae198945e
font_02_sfnt_off0004f64f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F64F 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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