MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms the nature of the document as a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://huntic.ru/uplcv?utm_term=a+knight+of+the+seven+kingdoms+pdf PDF link annotation
- https://dudikom.pl/userfiles/file/merapinagutiruwukoxuza.pdfIn PDF document text
- http://an-professional.ru/img/files/file/rigidajodipomujubeze.pdfIn PDF document text
- https://maxlinder.com/admin/assets/ckfinder/userfiles/files/31895015801.pdfIn PDF document text
- http://hotel-gerard-dalsace.com/upload/document/zojowemob.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612f511fa227c---70888025686.pdfIn PDF document text
- https://vnjhanoi.com/upload/files/xejerotudawezor.pdfIn PDF document text
- http://enjoy.sk/editor_uploads/system/files/93915569669.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/9fe2b8ebd298602aa208b6184c3c4b9d/ripedekotizu.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/28640951235.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16141ec253f36a---27065207766.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210905031631.pdfIn PDF document text
- http://candemdientu.com/Images_upload/files/82454672477.pdfIn PDF document text
- http://www.poliklinika-hb.cz/userfiles/file/bemukiruwinopozax.pdfIn PDF document text
- https://vieclamlaocai.vn/webroot/img/files/zerowowijodulozife.pdfIn PDF document text
- http://tochuchoinghi.org/files/54728170677.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/mazowefolebijixotobagelub.pdfIn PDF document text
- http://de.ruben.pl/ckfinder/userfiles/files/parokexiza.pdfIn PDF document text
- https://9ja-bet.com/userfiles/file/57169837447.pdfIn PDF document text
- http://afghansolar.com/userfiles/file/pamaxoviwuxoledamijuradi.pdfIn PDF document text
- http://vigen12.com/userfiles/file/jaxapukawabubufojogepob.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_off0000b18a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB18A | 10776 bytes |
SHA-256: 06242c81ce7b131a9311ae5b66ae81c344a077af78e1f43bf2859feb9df54b65 |
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font_01_sfnt_off0000c9ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE211 | 19120 bytes |
SHA-256: ea237716fa9f4c82664505676c348a1595321519002358e0c06a628a8e3c07ec |
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