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 links, many pointing to disposable hosting or compromised CMS upload directories, suggesting a link farm used for phishing or malware distribution. The PDF structure and embedded content are consistent with attempts to disguise malicious links as legitimate documents.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://tonymusic.se/UserFiles/files/52733532154.pdf In PDF document text
- http://chinazzjx.com/d/files/27114407415.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/nazepeb.pdfIn PDF document text
- http://gulfcoastlist.com/userfiles/file/kibavekagi.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/57777825979.pdfIn PDF document text
- http://aunay-sous-auneau.fr/ckfinder/userfiles/files/dojene.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210904_F5736518EE3F4E23.pdfIn PDF document text
- https://muacash.com/webroot/img/files/31195116927.pdfIn PDF document text
- http://hanhthien.net/uploads/file/65401973031.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613439d7e76f7---fofojeweduxedif.pdfIn PDF document text
- http://fteq.ru/files/file/67265123590.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/188c1481c2999421904bbf749a76ca5b/jemamozabinifokalutonamen.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1612f53ca2b7be---27379392797.pdfIn PDF document text
- http://usatovl.ru/upload/fckeditorfile/menara.pdfIn PDF document text
- http://disonde.com/filespath/files/20210903141950.pdfIn PDF document text
- http://eptesteplelek.com/uploads/file/81510400404.pdfIn PDF document text
- http://edmo-cars.nl/images/file/1933197314.pdfIn PDF document text
- http://elosc.com/upFile/file///ITX202109071949076516.pdfIn PDF document text
- http://rapet.hu/files/ganijomopuzarebubosuma.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/nawib.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613dc934a5683---60354323967.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=an+introduction+to+fluid+dynamics+pdfPDF 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_off0000c6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6AD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dec4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEC4 | 10844 bytes |
SHA-256: 5ab78d142c0cf4284f7ad6b5c8caf26ac97d578456416b3a0692c41fa387b946 |
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font_02_sfnt_off0000f7dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7DC | 17656 bytes |
SHA-256: c1376ababb9164055b0ac08b011f61678a321690b91714b7440b6ee208a74212 |
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