Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa82362350a58aba…

MALICIOUS

PDF

81.2 KB Created: 2021-09-18 07:29:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-07
MD5: 5cfb54294de5bcf5bf392594e7b34710 SHA-1: 76b5bd3a926af4e670246fd1c5d25f62adb8bc5b SHA-256: aa82362350a58aba3285662f03c94d5f5c0668c71feae2f6bdfeda2562f33ef2
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9949

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 http://files.ibiza-ferien.de/file/titima.pdf In PDF document text
    • https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/0jqqqeosh3kvj2akpnk64c70r8/44332167274.pdfIn PDF document text
    • http://ipayon.com/root/FCKeditor/file/73801730104.pdfIn PDF document text
    • https://halkapsikoloji.net/userfiles/file/18648609088.pdfIn PDF document text
    • http://gesht.ru/admin/ckfinder/userfiles/files/68948833535.pdfIn PDF document text
    • https://mlspoland.co/files/file/70836619252.pdfIn PDF document text
    • http://droneducational.com/admin/userfiles/file/kadugudifonelutomapexafas.pdfIn PDF document text
    • http://forter.vn/hinhanh/file/5116949431.pdfIn PDF document text
    • http://hpworld.hu/data/pic/Image/file/nawozasidokujadota.pdfIn PDF document text
    • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/14370240699.pdfIn PDF document text
    • http://rayer.cn/d/files/43997404118.pdfIn PDF document text
    • http://sdds.be/userfiles/file/rokokekamavojixavaso.pdfIn PDF document text
    • http://berallebags.com/UploadFiles/FCKeditor/20210918100335.pdfIn PDF document text
    • http://hanmih.com/userfiles/file/20210905050113.pdfIn PDF document text
    • http://fkjz.cn/upload/files/2021/09/202109062325522456.pdfIn PDF document text
    • http://usarsenal.it/userfiles/files/vasugo.pdfIn PDF document text
    • https://sindhuinvestment.com/ckfinder/userfiles/files/minal.pdfIn PDF document text
    • https://markmont.eu/editor_uploads/system/files/bozat.pdfIn PDF document text
    • http://masan315.net/board/imagefile/file/wadoretabazawifeganazo.pdfIn PDF document text
    • http://jjc-dev.com/userfiles/file/jagenawubofupupiresof.pdfIn PDF document text
    • https://icbacademy.com/upload/files/lojojopotetedidesef.pdfIn PDF document text
    • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eef26afed4---duwetupuzomemotegudovig.pdfIn PDF document text
    • https://songod.vn/uploads/image/files/9660409141.pdfIn PDF document text
    • http://canadanur.com/resimler/files/bozosimofilajij.pdfIn PDF document text
    • https://promoxcenter.ro/ckfinder/userfiles/files/wudupimegezediwimo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=chrome+fast+and+securePDF 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_off0000daf2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDAF2 10736 bytes
SHA-256: 7645c7d34a635fe16683e2512cd4af360a5e051cd86674bade674f69d36c52b8
font_01_sfnt_off0000f382.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF382 17052 bytes
SHA-256: 9a621d958a38e3beadc5bd2f2296b76c14034535afd6cdaaad390dceb5a97e87
font_02_sfnt_off00011f94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11F94 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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