Malicious PDF — malware analysis report

Static analysis result for SHA-256 cd7f8f8ebacf69ff…

MALICIOUS

PDF

78.1 KB Created: 2022-04-16 12:48:14 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 54b1b4d8def25d947766f62edbb937ca SHA-1: fdeeb1a2bdfa8f50d2bce6df5f343b8105163251 SHA-256: cd7f8f8ebacf69ff526571589eeafddc52b3494f43c5b43551f69d3122377b4c
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://ragaz.co.za/YmrXLWy8?keyword=how%20to%20get%20free%20postage%20for%20nonprofit PDF link annotation
    • https://huangs.tw/uploads/files/202203210348091840.pdfIn PDF document text
    • https://mimudokax.weebly.com/uploads/1/3/4/7/134742140/ec84b031.pdfIn PDF document text
    • http://templeton.sk/userfiles/file/pakixi.pdfIn PDF document text
    • http://rudolphalexander.com/uploads/files/55452503724.pdfIn PDF document text
    • http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1621e90f46051a---2830073345.pdfIn PDF document text
    • http://kieryk.pl/img/userfiles/file/6685048306.pdfIn PDF document text
    • https://dubamuxurel.weebly.com/uploads/1/3/4/4/134463085/gulolobog_weteg.pdfIn PDF document text
    • https://mindtrainingsystems.com/userfiles/file/55114588993.pdfIn PDF document text
    • http://thietkewebsite.btccorp.vn/uploads/files/38301774115.pdfIn PDF document text
    • https://kurtoglumob.com/upload/file/32470978954.pdfIn PDF document text
    • http://tuclubcr.com/campannas/file/xawosopewazamudeke.pdfIn PDF document text
    • https://kigenubizama.weebly.com/uploads/1/4/1/2/141258734/78d9d3.pdfIn PDF document text
    • https://moraure.net/js/ckfinder/userfiles/files/nikeruxivuk.pdfIn PDF document text
    • https://zunotexiru.weebly.com/uploads/1/3/4/8/134890048/6888059.pdfIn PDF document text
    • http://hyundai-baoloc.com/luutru/files/85499837150.pdfIn PDF document text
    • https://putebofodabisig.weebly.com/uploads/1/3/4/3/134368176/244fd8bc4f76e1.pdfIn PDF document text
    • https://divigutokorafo.weebly.com/uploads/1/3/4/6/134683056/8790700.pdfIn PDF document text
    • http://bioengenharia.com.br/public/libs/kcfinder/upload/files/42920871825.pdfIn PDF document text
    • https://stin-verdon.fr/assets/Image/files/19943839090.pdfIn PDF document text
    • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/d6r2glg9p5ehap1k3mdk7vli3j/xoluboxadomovegoxaza.pdfIn PDF document text
    • http://smenergy.kr/uploaded/file/147992230562000d125aea9.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_off0000cbde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCBDE 17504 bytes
SHA-256: e418a49d8585ca366313d16757d3cacc5f8ad94a759ef58eec776985c77c1e20
font_01_sfnt_off0000f9c7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9C7 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000111de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x111DE 10564 bytes
SHA-256: bef378ce7625b14e82e19a31ef0987464f51dcd1b8ea63acbf07bf18cd360900

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