MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many pointing to compromised or potentially malicious domains, suggesting a link farm designed to redirect users to harmful content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports the malicious intent of distributing or hosting malicious files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5e28317ae---20118961400.pdf In PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/68099948253.pdfIn PDF document text
- https://atrax.eu/userfiles/file/biwebabam.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/wajorutuvi.pdfIn PDF document text
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/jigeredavaf.pdfIn PDF document text
- http://professionalcatererspaul.pageindia.com/resume/cms_files/files/dajezobuxiguzupovagumed.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/nepawopiburetulunoxija.pdfIn PDF document text
- http://www.sauminandy.com/fckimages/file/delopebadevajakisubujem.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/57378696833.pdfIn PDF document text
- http://jewelry-shopping-city.com/uploads/files/202109052007547160.pdfIn PDF document text
- http://moristas.com/userfiles/files/pakuwalulegivud.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1a61475d2---67346247443.pdfIn PDF document text
- http://bayzones.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/44700533261.pdfIn PDF document text
- https://habibitours.com/ckfinder/userfiles/files/30091996231.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/f9031320c967bb62c8fee2e203bb6441/45973779963.pdfIn PDF document text
- http://aias.pnu.ac.th/ckfinder/userfiles/files/poxejuzugetorenijiloli.pdfIn PDF document text
- https://okinawa4d.com/contents/files/vawazu.pdfIn PDF document text
- http://eurekaelearning.com/upload/news/file/xuvutesafijoteputaj.pdfIn PDF document text
- http://unityproductions.com/upload/files/71664607808.pdfIn PDF document text
- http://mrpokedb.com/uploads/files/gotijadixepipux.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/ae708d743e472287cfe3df4bc5cf92f5/buvavozabevixu.pdfIn PDF document text
- http://mindentudor.hu/userfiles/file/gagetatukup.pdfIn PDF document text
- https://triptoboloyfoundation.org/editorsfiles/files/74319706201.pdfIn PDF document text
- http://cobe-ing.it/userfiles/files/tarebeputesudezezatoxof.pdfIn PDF document text
- http://stolizstekla.ru/userfiles/file/59721563854.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/zujexe.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=saad+saad+al+ghamdiPDF 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_off0000c11a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC11A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d92c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD92C | 20604 bytes |
SHA-256: 1654387d132f85b7083ed8e5f0291ccf9b313de88489ff6a8030b4c987d1760e |
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font_02_sfnt_off00010ec7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EC7 | 10216 bytes |
SHA-256: 1624105053684ec408dc200dd509c57824e58fd847f6cef3dd1f08db85809b73 |
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