MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document was flagged by ClamAV as a phishing trojan and by an ML classifier. It contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, forming a link farm. The presence of these links suggests an attempt to lure users to external sites, likely for credential harvesting or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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 http://duszek-lasu.pl/userfiles/file/jipuzetigadogitetabepes.pdf In PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/13800458283.pdfIn PDF document text
- http://agilesolutions.in/uploads/9847921761.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/vasowimidizidewepamevu.pdfIn PDF document text
- https://groupunsur2.com/contents/files/93724707219.pdfIn PDF document text
- http://cerrutistudio.eu/userfiles/files/9177959506.pdfIn PDF document text
- http://elementsgogreen.com/userfiles/file/70636090950.pdfIn PDF document text
- http://shinserviceodi.ru/wp-content/plugins/super-forms/uploads/php/files/98088dd185a3e4de71bb2580b8a1e1f9/77222260126.pdfIn PDF document text
- https://www.rosebankprimary.co.za/inc/ckfinder/userfiles/files/kodixizojotixisoxone.pdfIn PDF document text
- https://stealthwindow.tw/uploads/files/202109110322211551.pdfIn PDF document text
- http://reylab.com/userfiles/file/4165435069.pdfIn PDF document text
- http://massageindex.nl/images/uploads/ridezuvagevij.pdfIn PDF document text
- https://buddingheights.org/wp-content/plugins/formcraft/file-upload/server/content/files/161507e34ae28a---podabarabikobed.pdfIn PDF document text
- http://antifftech.com/uploadfile/file///2021090708523647.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/3mrv9t02moah71b7at3ngob891/sapigefa.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5cfeb1199---88531163072.pdfIn PDF document text
- https://keyword-lda.pt/site/upload/file/94970004191.pdfIn PDF document text
- http://abnicum.ru/files/file/lalesefixe.pdfIn PDF document text
- https://dananeye.com/uploads/files/202109061633316386.pdfIn PDF document text
- https://florerialafloresta.com/ckfinder/userfiles/files/44721428934.pdfIn PDF document text
- http://tizianaiberti.it/userfiles/files/paboxidupuluxas.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+get+robux+without+buyingPDF 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_off0000b063.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB063 | 14628 bytes |
SHA-256: 6eb4aeb3881d9c6012ffd73b17e467f3de92bfaf4559939eb3601ee884c3d56b |
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font_01_sfnt_off0000d4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F4 | 10544 bytes |
SHA-256: aea440a0d13c8eb0d74e039677b8f852c3dca6ec34dece7e5ce20b1de64b5ae3 |
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font_02_sfnt_off0000ecf9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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