Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa82858eef58712d…

MALICIOUS

PDF

83.8 KB Created: 2021-10-13 05:56:06 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 2b776fd72a0b0c2855f9aca69edb18f8 SHA-1: 1d881c6a7ca8ab9fac78a95020dcb7c3add4ab6f SHA-256: aa82858eef58712d9e0af1daff1247151c0f1280753c303b50085df388a22959
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616629b851353---rezita.pdf In PDF document text
    • https://jamuiboe.com/webroot/upload_media/ravazunazonofoz.pdfIn PDF document text
    • http://savvyais.com/userfiles/file/46985184427.pdfIn PDF document text
    • http://droneducational.com/admin/userfiles/file/50258021610.pdfIn PDF document text
    • http://preiswerte-unterkunft-papenburg.de/mediapool/92669150298.pdfIn PDF document text
    • https://big-affaires.com/img/pics/files/taleworasaferu.pdfIn PDF document text
    • https://truongdongkinh.phapluatvietnam.com/upload/ckupload/files/95809886069.pdfIn PDF document text
    • https://www.frontieregypt.com/sites/all/libraries/ckfinder/userfiles/files/xizivisebek.pdfIn PDF document text
    • http://constantcontinuity.com/membership/data/files/kuzeza.pdfIn PDF document text
    • http://0985028898.kad.tw/kads/ckfinder/userfiles/files/limomuvixuni.pdfIn PDF document text
    • https://ans5680.preneed91.com/upload/files/zovataduxezetapelinoki.pdfIn PDF document text
    • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141cf10c4149---6207700911.pdfIn PDF document text
    • http://elitakhealing.com/ckfinder/userfiles/files/robebenabuviworakon.pdfIn PDF document text
    • http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161559f9446d31---lalepubakaniniketadib.pdfIn PDF document text
    • http://bftt.marketsearching.com/upload/files/96186622839.pdfIn PDF document text
    • https://betalinktech.com/blmedia/file/57648181011.pdfIn PDF document text
    • https://k-newsletter.com/ckupload/files/72223757117.pdfIn PDF document text
    • http://cablexconsulting.com/Upload/file/nagijosukalowasolosavad.pdfIn PDF document text
    • http://tongchangkj.com/uploadfile/file///2021090109594335.pdfIn PDF document text
    • http://ottomaniantextile.com/userfiles/file/magetujusuturiwaluxisox.pdfIn PDF document text
    • http://feedproxy.google.com/~r/Xvkpad/~3/UsNeCLCzgYg/uplcv?utm_term=top+file+manager+for+androidPDF 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_off0000e387.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE387 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_01_sfnt_off0000fb99.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB99 18036 bytes
SHA-256: 422eaafd05e066ff596260e61274b853faf9e2d17d6aa6f0909b13a7e56f0bcf
font_02_sfnt_off00012a6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12A6F 10536 bytes
SHA-256: b58464a9ce032164d56c06f0b39e489cbf7cecd75c470d7fdbee8bdb829899da

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