Malicious PDF — malware analysis report

Static analysis result for SHA-256 782a9fa1101dbf59…

MALICIOUS

PDF

77.3 KB Created: 2022-04-02 18:36:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-16
MD5: e088eee332dcda0a090912ab6f338041 SHA-1: ac977e51f28ef01a8584f317d42999fc216b5617 SHA-256: 782a9fa1101dbf59e9997718577d34951e3a248431de0f02fd9e9652ecf18b6f
134 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://wirut.co.za/YmrXLWy8?keyword=probability%20and%20statistical%20inference%209th%20edition%20solutions%20pdf PDF link annotation
    • https://xizenebijebis.weebly.com/uploads/1/3/2/3/132303300/0fa954.pdfIn PDF document text
    • https://simplywebeditor.com/site-uploads/nedobenafa.pdfIn PDF document text
    • http://yuha.be/admin/kcfinder/upload/files/relurigafa.pdfIn PDF document text
    • http://masan315.net/board/imagefile/file/36120819474.pdfIn PDF document text
    • https://kepedeko.weebly.com/uploads/1/3/5/9/135959580/nemadapevomeves-boparo-moxowidibi-rikiruvaz.pdfIn PDF document text
    • https://www.worldpco.org/includes/js/ckeditor/kcfinder/upload/files/nexigikopotimelokema.pdfIn PDF document text
    • https://xexewevifiwewol.weebly.com/uploads/1/3/6/0/136054804/b8bfed6e88.pdfIn PDF document text
    • https://xegabazoku.weebly.com/uploads/1/3/4/3/134318522/2731848.pdfIn PDF document text
    • https://wajabanafeku.weebly.com/uploads/1/3/4/5/134599300/6af1699.pdfIn PDF document text
    • https://archguruorg.welkinovation.com/admin/UserFiles/images/files/51956551717.pdfIn PDF document text
    • http://mnarch.it/userfiles/files/movifovuxutajudekoxozedi.pdfIn PDF document text
    • https://jewfri.kr/files/image/files/94204370367.pdfIn PDF document text
    • https://spotiverify.com/ci/userfiles/files/11950801818.pdfIn PDF document text
    • https://dexeputurad.weebly.com/uploads/1/3/4/8/134878817/nesixuzoz.pdfIn PDF document text
    • https://jirafaribov.weebly.com/uploads/1/3/4/5/134599686/gowixemozugobosovo.pdfIn PDF document text
    • http://ydchem.cn/filespath/files/20220203195428.pdfIn PDF document text
    • https://jedzenie365.pl/ckfinder/userfiles/files/ranunepe.pdfIn PDF document text
    • http://eldorautomaticgates.com/UserFiles/file/38711531706.pdfIn PDF document text
    • http://hpcad.pl/Upload/file/30404423530.pdfIn PDF document text
    • https://kevesotajomuvow.weebly.com/uploads/1/3/5/9/135959451/xuwikozaki-kusun-vebolax-kevejaradu.pdfIn PDF document text
    • http://xn--80aafbladvtbfgupeaecrgg.xn--p1ai/pict/file/14963729388.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_off0000c6bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC6BF 17116 bytes
SHA-256: 3d2880ed55b97ca42319d6930c606cdbf4afafbbc01c7e76882b0c3053521639
font_01_sfnt_off0000f37e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF37E 11240 bytes
SHA-256: b371e12b70a1d975d18ea7c5e623be1cbcf48e4e6f58bc2cac84983d25870e9c
font_02_sfnt_off00010d9b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10D9B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1

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