MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://computer-rudolstadt.de/upload/file/jujupogukogaputixikeb.pdf In PDF document text
- http://cokhiminhhien.com/media/ftp/file/serafapit.pdfIn PDF document text
- http://nousgarage.com/userfiles/file/31879085508.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/50204920486.pdfIn PDF document text
- http://club-integra.ru/userfiles/file/62364520726.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/kunalasuturajojapu.pdfIn PDF document text
- https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/0b6101b2fa8f62e4d248defb50b8b34e/zezodugi.pdfIn PDF document text
- http://okfilm.kr/userData/board/file/mofekesit.pdfIn PDF document text
- http://hotelamadeustorino.com/userfiles/files/dokupoboxegosemefilowan.pdfIn PDF document text
- http://ltmetal.com/userfiles/files/sewagelez.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/94092d8e892bec1e039dc0639566a730/26408042664.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/69085158.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16146cf8f9dbfa---42542604918.pdfIn PDF document text
- http://szcftz.com/upload/38001482172.pdfIn PDF document text
- http://xn--elementy-zczne-kwb98g.pl/media/file/kunaxutubetativapaxife.pdfIn PDF document text
- http://islenapuntos.com/campannas/file/11322648661.pdfIn PDF document text
- http://nawooelcs.com/upload/userfiles/2021/09/files/210909075321.pdfIn PDF document text
- https://armagedonspedycja.pl/files/file/sozezepawinatelazalutag.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/4d7422t2mlkchui86tm926v3ap/zebajodo.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/50133535852.pdfIn PDF document text
- http://daedukgs.com/admin/fckeditor/data/file/20210901130326.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16144336a21b26---22829640384.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=screen+mirroring+software+for+androidPDF link annotation
- 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_off00011059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11059 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012870.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12870 | 10932 bytes |
SHA-256: e4268533dce41961c1388b06cf69d52e9895666acd04fd8e871fad12b6873d11 |
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font_02_sfnt_off00014197.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14197 | 17136 bytes |
SHA-256: 1797c04cef62bc820d80f6975054aca50d67a4dbea5aefd75ced2e7bca08e29b |
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