Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa85e544cbd44686…

MALICIOUS

PDF

74.3 KB Created: 2022-04-12 06:32:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-06
MD5: 2aacdfbc0dfd2f19b6b31eb48c3756bf SHA-1: fd5369a7645b47b80c93ab2000d1a39a8395ddd4 SHA-256: aa85e544cbd44686146efd0f44a08ea427e0933eea19fe4705c557060dac5062
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://yoyep.co.za/YmrXLWy8?keyword=iphone%205%20motherboard%20schematic%20diagram PDF link annotation
    • http://glampingcaravan.com/userfiles/file/20220311040724.pdfIn PDF document text
    • https://carpenterstouchnj.supremeroi.com/FCKeditor/file/29973997084.pdfIn PDF document text
    • https://cbrn.tj/nrsa_system/ckeditor/kcfinder/upload/files/xalelutokavomeforemitef.pdfIn PDF document text
    • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16220db8ae79e7---dudulumopulofazipir.pdfIn PDF document text
    • http://sskj.pl/userfiles/file/kofidorujileselidofuxuk.pdfIn PDF document text
    • http://tercovci.cz/files/file/77599058338.pdfIn PDF document text
    • http://gorre-paysage.fr/ckeditor/kcfinder/upload/files/zuwulazon.pdfIn PDF document text
    • https://vetregistr.com/ckfinder/userfiles/files/29016729544.pdfIn PDF document text
    • https://hometeamcorp.com/images/usr/9196136824.pdfIn PDF document text
    • https://vafarisitoguv.weebly.com/uploads/1/3/0/8/130874489/tugogid.pdfIn PDF document text
    • http://www.peritaonline.es/ckfinder/userfiles/files/93215287993.pdfIn PDF document text
    • http://cwpni.com/userData/ebizro_board/file/navipena.pdfIn PDF document text
    • https://nawolokiwepona.weebly.com/uploads/1/3/2/8/132814855/soxibenoz_watarapapun_pirivadago.pdfIn PDF document text
    • https://ringid.vn/ckfinder/userfiles/files/wefukorafexumitat.pdfIn PDF document text
    • https://bamfieldrental.com/userfiles/file/maxisimasu.pdfIn PDF document text
    • http://6461737.ru/upload/files/lajoxavelo_1647641604.pdfIn PDF document text
    • https://sapsda.org/SapmaUserfiles/file/wijupenisedanikoxixit.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_off0000bcb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBCB8 11140 bytes
SHA-256: 57ffed88034b23be9d81b61932f5b250a2087a63cc2b6ed16ad9e26204a02174
font_01_sfnt_off0000d623.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD623 17044 bytes
SHA-256: 11c5c270e627f81a01335648d8833ee9fc50e1ec5568a6e6852a6d50fbb37328
font_02_sfnt_off000102c5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102C5 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1