MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm or phishing lure. The PDF structure and embedded URIs are consistent with malware distribution or phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://catamma.ru/uplcv?utm_term=auld+lang+syne+violin+sheet+music PDF link annotation
- http://hanstime.com/userData/board/file/14785696087.pdfIn PDF document text
- https://congnghiepxd204.vn/upload/files/81154271340.pdfIn PDF document text
- https://ratodua.com/contents/files/71064900142.pdfIn PDF document text
- https://simplehome.ro/ckfinder/userfiles/files/71357076074.pdfIn PDF document text
- https://apc-algercentre.dz/ckfinder/userfiles/files/99810234545.pdfIn PDF document text
- http://fashioneducation.ru/userfiles/file/lefalokexobofewesobaja.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147f6fd3a108---61327603840.pdfIn PDF document text
- https://discovercefalu.com/_data/images/file/16867079703.pdfIn PDF document text
- https://eurosan.pl/user_images/file/sipatejekatevavijirizirig.pdfIn PDF document text
- https://marblobathware.com/app/webroot/img/files/jezinijeguxaxa.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/kewegedupepunavobo.pdfIn PDF document text
- https://rajakeempat.com/contents/files/54697938329.pdfIn PDF document text
- https://tigaintan.com/contents/files/53492596735.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210920231606.pdfIn PDF document text
- https://debo-fit.be/userfiles/file///waxasexodeponomi.pdfIn PDF document text
- http://vncdata.net/app/webroot/uploads/files/mulutebunetelonaneruno.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/420b4f9c2876dc223fb69438ae5a8293/kasawilo.pdfIn PDF document text
- http://tranhdaquyhn.com/uploads/news_file/88127364123.pdfIn PDF document text
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161392d29b923c---wiwalinojotid.pdfIn PDF document text
- https://laznia-radom.pl/userfiles/file/1610655142.pdfIn PDF document text
- https://nirmalujjwal.com/public/ckfinder/userfiles/files/pafakuriduwijag.pdfIn PDF document text
- http://magdrywall.com/project-new/christianbook/upload_images/file/pogukofisuloluvexeju.pdfIn PDF document text
- https://bakwanudang.com/contents/files/61632511165.pdfIn PDF document text
- https://inprovitpuertorico.com/ckfinder/userfiles/files/vimapabag.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_off0000c88d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC88D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e0a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0A4 | 10976 bytes |
SHA-256: 9c64da1b8d7d81ed8ad4a01872fb3ea7ffee3097c895e5843399e5a18866e9bd |
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font_02_sfnt_off0000f9ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9CA | 16920 bytes |
SHA-256: cb8ab1fd9096fe63abaef3b8cb9873f24ffbbf5cbb74b4b233830151c633e603 |
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