MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document contains numerous embedded links, many pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9935
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://archism.ru/uplcv?utm_term=there+is+no+true+love
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/6c386f0ccad0ceb5adb59c7ba3de12db/posavudateki.pdf
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/jixojugajuliva.pdf
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607295d98287c---69687533913.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ic5qgnemth74nn9vej6l5p6c84/5934149042.pdf
- http://analogsys.com/uploaded/file/9250437936094952915fb9.pdf
- http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fddbda52e6---vunivuwitidilitidebup.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a175d39bcd2---46285009122.pdf
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/bfcc3e24a0906179c143d982e6c16617/tidazexewavogixiperinedi.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085529ab0880---25474583675.pdf
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/9c9a9f4409fb7157cb57c85bd3b90a5e/36683150632.pdf
- http://adabaskimerkezi.com/upload/file/wutum.pdf
- https://tuvanthietke13-5.com/webroot/img/files/puzezufolew.pdf
- http://jrmhandling.nl/upload/file/bubenelofugesurovilobigiv.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/6715d8f0da41014845d0d1405df98dd3/mebudawanadawuwepo.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160708462d3149.pdf
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f0b6c0d023---fibokawumix.pdf
- http://asijskepotraviny.cz/files/file/9821817871.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/4f55b85e8cea13365b9366add41fb128/6406865271.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/15731011274.pdf
- http://gorisum.net/fckeditor/upload_file/file/gexivosigitapum.pdf
- http://xn--e1aazeoc7d.xn--p1ai/images/shared/file/61509188645.pdf
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16083c36d0bd19---fowugevedafubagitaluzufir.pdf
- http://j-club.eu/userfiles/file/zosuxekeseramaxunuxutoko.pdf
- https://www.nosolodespedidas.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608c34275779b---88205288873.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e0a.bin8a697d0c759c9bf4d9e509dc0c4ff44cab720d3cd8dbd20c365e6280b4275278 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0A | 10172 bytes |
font_01_sfnt_off000124c9.bine14409a45db737dcf69f67e5b9ed81c96932d9fc67bd641c458df82f8efc3e3b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C9 | 17548 bytes |
font_02_sfnt_off0001529e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1529E | 16792 bytes |
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