Malicious PDF — malware analysis report

Static analysis result for SHA-256 191bc952260648c9…

MALICIOUS

PDF

305.8 KB Created: 2021-12-30 21:34:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-22
MD5: adb345324592d59c7f2a1a560848911c SHA-1: b94515e338661934a7be4876e508c23e3e56e37c SHA-256: 191bc952260648c938da0287912f6ad918d9ba379ee9002c3f36f09cb880b3d9
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8005

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 https://inwebjor.ru/uplcv?utm_term=nissan+almera+classic+b10+manual PDF link annotation
    • https://www.smartfutureexpo.com/ckfinder/userfiles/files/67069600964.pdfIn PDF document text
    • http://lecostationery.com/files/file/zemelejotatatubowep.pdfIn PDF document text
    • http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/e33d78e9d40f05215bf127aa75e0cf3e/pidinutejojuwojavo.pdfIn PDF document text
    • http://www.kroonzuivel.nl/ckfinder/userfiles/files/79047535017.pdfIn PDF document text
    • http://artwatch.ru/userfiles/file/dasegewedawupuji.pdfIn PDF document text
    • http://razzledazzleevents.in/userfiles/file/juvenomidaki.pdfIn PDF document text
    • http://tns-china.cn/editor_upload_image/file/nukemelufitez.pdfIn PDF document text
    • http://resumesfromabove.com/userfiles/file/bawurotarelazuvaxixete.pdfIn PDF document text
    • https://phucatgarment.com.vn/ckfinder/userfiles/files/lejufugomunatomifagifod.pdfIn PDF document text
    • http://fusen-es.info/yamituki-n/uploads/files/14289285722.pdfIn PDF document text
    • http://hysansam.com/fckeditor/userfiles/image/49282673453.pdfIn PDF document text
    • http://omorits.jp/uploads/files/24684975199.pdfIn PDF document text
    • https://giolog.biz/images/bulk_images/files/gageganogukaleditezakeza.pdfIn PDF document text
    • http://bociany.sk/media/file/gunifodunefabim.pdfIn PDF document text
    • http://mcutech.net/upload/2021/09/file/16306203911791936772.pdfIn PDF document text
    • https://littleitalypizzany.com/nbloom/fckuploads/file/zanukulepogefewokewis.pdfIn PDF document text
    • http://bellamy.tw/uploads/files/202110270455244714.pdfIn PDF document text
    • http://soeurs-scjboran.fr/soeurs/upload/files/sozenedonasixafesiku.pdfIn PDF document text
    • http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16162b7be3c116---penabadifaw.pdfIn PDF document text
    • https://qian-ho.com/upfiles/editor/files/kuzabanemobot.pdfIn PDF document text
    • https://rimi.sk/userfiles/file/merijudibatexesep.pdfIn PDF document text
    • https://polytex.de/sites/default/files/busuliwavikojutuxejuf.pdfIn PDF document text
    • https://www.solucionaesp.com/ckfinder/userfiles/files/94909610984.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_off0004542b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4542B 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336
font_01_sfnt_off00046aca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46ACA 20812 bytes
SHA-256: 61065ebd32398651058b99eda76b4bb2cc43a08a5765faa89df5d82ade1ad6aa
font_02_sfnt_off0004a056.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A056 10564 bytes
SHA-256: 29966ab0aae96a9c1ff827fb4956f803e8bcf811db48e7ac259ac2cb935232f1

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