Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d8c20889e4f16aa…

MALICIOUS

PDF

207.2 KB Created: 2021-12-05 11:42:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: 5f0d78791a4cada290aa5c1fd2bf04b4 SHA-1: 168629d0f8566791e5100f1c259749a814100e31 SHA-256: 5d8c20889e4f16aa6b7f3620bcb707dc3c906e532561265dce3203f22a53022f
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.7704

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://enovosti.info/ckfinder/userfiles/files/moranixenaromizezoxurifow.pdf In PDF document text
    • http://daehwa.info/uploaded/file/fakumenosijejavagusofumo.pdfIn PDF document text
    • http://bellina.pl/userfiles/file/27063234636.pdfIn PDF document text
    • http://sweet-sugar.de/images/uploadedimages/file/zedokegakebovulowiv.pdfIn PDF document text
    • https://tomas-music.com/contents/files/59927364557.pdfIn PDF document text
    • http://tg-focus.ru/userfiles/files/93900063169.pdfIn PDF document text
    • http://4998horo.gmmwireless.com/contents/files/65428310329.pdfIn PDF document text
    • https://finliz.lt/i/File/dinukomifijal.pdfIn PDF document text
    • https://medtek.vn/storage/file/ginatajutamedi.pdfIn PDF document text
    • https://mpksieradz.pl/upload/file/fakitoxuwetibovuwatadefik.pdfIn PDF document text
    • http://logicamail.it/draft/media/58387171847.pdfIn PDF document text
    • http://massiimo.com/piceditor/file/84948936489.pdfIn PDF document text
    • http://pyhunlian.com/uploadfile/file/81020909909.pdfIn PDF document text
    • https://hamzsabegi60szallo.hu/UserFiles/File/8177408203.pdfIn PDF document text
    • https://ppntassone.it/dati/upload/file/gezevajomegegimeri.pdfIn PDF document text
    • http://ilink.pl/userfiles/file/vilebapewe.pdfIn PDF document text
    • http://laduses.nl/image/file/xuxaparo.pdfIn PDF document text
    • http://busangh.com/attfile/fckimg/file///2021090855127_1049000971.pdfIn PDF document text
    • http://www.alex-vasilkov.ru/images/wisdom/file/benoxoduririke.pdfIn PDF document text
    • http://tuvanthanhlapcongty.biz/upload/ck/files/23265217430.pdfIn PDF document text
    • http://kimandyoo.com/userfiles/file/97864302207.pdfIn PDF document text
    • http://toszegisuli.hu/userfiles/file/92601853348.pdfIn PDF document text
    • http://tvcsoltau.de/userfiles/file/bejejupap.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/TxADE9PCSUw/uplcv?utm_term=mage+aoe+leveling+guide+vanilla+hordePDF 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 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_off0002ced9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2CED9 10420 bytes
SHA-256: 3ab19095ad049f248b2201f5577973dedbc12fc3ddd1507c3ca1884c8ee2c1ff
font_01_sfnt_off0002e61c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E61C 17976 bytes
SHA-256: 8c0fc1f703544364c02a222e1b418994166a8689ec0387cfdeaf5b0765ac1c07
font_02_sfnt_off000315b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x315B5 16416 bytes
SHA-256: cfa2c3fbce80cc5607e01af033b793d17c57c214fb1d96e845eedea48cccd336

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