MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV. It contains a link farm with numerous URLs pointing to potentially compromised websites or disposable hosting, suggesting a phishing or malware distribution attempt. The heuristic firings indicate the PDF is structured as a link farm, with many links on disposable hosting and some pointing to compromised WordPress upload directories.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://queure.ru/uplcv?utm_term=snackbar+ui+design PDF link annotation
- http://wskinbody.com/data/boardData/files/pufonubigeziveko.pdfIn PDF document text
- https://markmont.eu/editor_uploads/system/files/duwarem.pdfIn PDF document text
- https://htcpost.vn/vietpost.vn/img_content/file/6346886226.pdfIn PDF document text
- http://avvolodin.ru/upload/file/ferepovezadakawomugad.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/857bbd0ed1f89bc16cc7754a12d62db2/90446284294.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/78a14601658970554f4547d5ac339575/3158057527.pdfIn PDF document text
- http://ourdesign.hk/ckfinder/userfiles/files/95642227025.pdfIn PDF document text
- http://studiolauramoschini.it/userfiles/files/84544101459.pdfIn PDF document text
- http://uptownchantilly.com/uploads/files/misudisikopo.pdfIn PDF document text
- https://glearningsolutions.com/userfiles/files/77949954302.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130fc8c75321---noxokelanedojogofilu.pdfIn PDF document text
- http://kompassztuki.pl/Image/files/81122511995.pdfIn PDF document text
- https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/59e68056546f52a01cead156aec5d640/pazubonika.pdfIn PDF document text
- http://xn--djr00fsyfv0o5qgy9u.net/filespath/files/20210906174829.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/38594261453.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/75034542573.pdfIn PDF document text
- http://mauchlineware.com/html/chapelstreet/web/userfiles/files/37315520417.pdfIn PDF document text
- http://inwama4.vn/webroot/img/files/vuvixiretoloxoralu.pdfIn PDF document text
- http://fthyhs.com/resource/docContentImg/file/2021-09-10/6217215c0532272eba273fa4ef9ab0a4.pdfIn PDF document text
- https://www.burnat-provins.ch/ck/ckfinder/userfiles/files/21823611358.pdfIn PDF document text
- https://wyslijpaczki.pl/app/webroot/files/userfiles/file/58593865638.pdfIn PDF document text
- http://sreema.org/FCKeditor/file/lovonutej.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.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d76f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76F | 10688 bytes |
SHA-256: 33daa8926fb336f9998e1803270c20a8f9609963ebd301bbdae95673831fb602 |
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font_01_sfnt_off0000efd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFD2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000107e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E4 | 17292 bytes |
SHA-256: 4e21e58467c46cfe1c730417e30aee21d88b179f5241f86cc9876180fcfdb108 |
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