MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with multiple URLs pointing to compromised WordPress sites, disguised as a driver download. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URLs suggest a social engineering attack to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://dichvuhappyhouse.com/upload/files/13480436376.pdf In PDF document text
- https://camphacement.vn/upload/files/jezasetebajul.pdfIn PDF document text
- http://grossbuch.com/upload/file/jumixafovebajarefofisuzan.pdfIn PDF document text
- http://lehnerkom.de/images/uploaded/file/temojanizamana.pdfIn PDF document text
- http://futsalcb.cz/picture/vtextu/file/30225716811.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613d78bb4c656---jozinujewajop.pdfIn PDF document text
- http://ridendo.cz/files/file/10444352742.pdfIn PDF document text
- https://marugame.hk/editor_upload/file/forikejefexoluritibujo.pdfIn PDF document text
- http://cgemfoco.com.br/ckfinder/userfiles/files/21664813938.pdfIn PDF document text
- https://www.studioline.ie/ckfinder/userfiles/files/tetanilevo.pdfIn PDF document text
- http://topstec.com/d/files/8292460146.pdfIn PDF document text
- http://hasyo.net/files/file/pegojalafoxudewipegafij.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132d37a3b247---9152209644.pdfIn PDF document text
- http://asude.istanbul/ck_images/files/tizedamarewopijujez.pdfIn PDF document text
- https://xlquality.com/userfiles/file/jaxawux.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/juripe.pdfIn PDF document text
- http://madonnina.info/userfiles/files/nafafukijuxupejatelikukiz.pdfIn PDF document text
- http://merwepizza.com/upload/file/6625116221.pdfIn PDF document text
- http://mylodge-naoshima.com/80225805908.pdfIn PDF document text
- https://ph2020.org/ckfinder/userfiles/files/tokuwedepileb.pdfIn PDF document text
- http://tentauto23.ru/ckfinder/userfiles/files/bizuxikivilomovaguzi.pdfIn PDF document text
- http://ps-chiptuning.hu/userfiles/files/72644654166.pdfIn PDF document text
- https://www.drmarlenebothma.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1615606fd8e5ef---56272447340.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=download+driver+802.11+ac+nicPDF 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_off0000b082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB082 | 17156 bytes |
SHA-256: ab8d1b1a3dbc5901e8bff5165c03e9c4ede0089e6bdfe41abf8508d585325781 |
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font_01_sfnt_off0000dc5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF471 | 10816 bytes |
SHA-256: 426b32e8b46f7a4104f0e2591632e26ed90d50a43965e9d4f355201d7b0116ad |
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