Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7aa48f3136df89…

MALICIOUS

PDF

74.3 KB Created: 2022-04-01 12:00:04 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-18
MD5: ffddf914224aa0f1672790d4fa9c7e8d SHA-1: 7b39466c3cbe4ec0b2b44846452c0bd311734bce SHA-256: cd7aa48f3136df894dc5cc9e3321578a9e02b380e00bc7ab38ffc8ccc935fbbc
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 6

  • 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.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://sunuf.co.za/YmrXLWy8?keyword=2006%20toyota%20sienna%20battery%20group%20size PDF link annotation
    • https://loyallcanada.com/editor_files/file/xurufitogisuja.pdfIn PDF document text
    • http://ellissi.org/userfiles/files/47604122853.pdfIn PDF document text
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/660u4muk8mijbgr8ouvh8s4fqc/68175896214.pdfIn PDF document text
    • http://praconsulgroup.ru/pict/file/xewigabovabadisiwewajidi.pdfIn PDF document text
    • http://terrigena.cz/data/pic/files/tobaxanazabopoke.pdfIn PDF document text
    • http://wasserburg.pl/userfiles/file/jajorezi.pdfIn PDF document text
    • https://desijikero.weebly.com/uploads/1/3/5/9/135964668/7322639.pdfIn PDF document text
    • https://tramhuonghanoi.vn/upload/files/libijirijekaziwaligelo.pdfIn PDF document text
    • http://progressive-auto.ru/app/webroot/js/kcfinder/upload/files/dazuximakuvevekodesuw.pdfIn PDF document text
    • http://privatmajo.sk/upload/files/79381608909.pdfIn PDF document text
    • https://gagasanriau.com/a450d92cb6be01b3b3669c18bfca7901/kcfinder/upload/files/84242320199.pdfIn PDF document text
    • http://aostavet.it/userfiles/files/pixinex.pdfIn PDF document text
    • http://reputesystems.com/app/webroot/uploads/files/54712024431.pdfIn PDF document text
    • http://underbutter.cz/download/foto/54017614648.pdfIn PDF document text
    • http://beautystyln.jp/uploads_file/files/29052753844.pdfIn PDF document text
    • https://xefakiradu.weebly.com/uploads/1/3/1/8/131856624/sopanururibagevo.pdfIn PDF document text
    • http://gniortho.com/files/Upload/file/gigivezusegedumozus.pdfIn PDF document text
    • https://zewijevatijafat.weebly.com/uploads/1/3/4/2/134265582/netidufemenewib-dixoguvug.pdfIn PDF document text
    • http://bthg.bagwfbm.de/upload/files/debuzobubajoxara.pdfIn PDF document text
    • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/872a46523e71035975ed1b547013deed/57612639961.pdfIn PDF document text
    • http://www.federacja.krakow.pl/uchwaly/kcfinder/upload/files/53201857537.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_off0000b63f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB63F 11108 bytes
SHA-256: 24b67588005b1d34dc416ecd3e399082623145b36e0daf2e6a180c491c2e0add
font_01_sfnt_off0000d038.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD038 19824 bytes
SHA-256: f3224e5a1bdd12ed2b427712a6c99b289f6c9521f4ff17d24f60caa94743a3d8
font_02_sfnt_off0001022e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1022E 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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