MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to other PDF files hosted on compromised websites, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristics and URLs clearly show a pattern of hosting and linking to potentially harmful files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://opakowania-loga.pl/zdjecia/fotki/file/91458938547.pdf In PDF document text
- https://holzhaus-suedtirol.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9ad92b34a---gibojinigiw.pdfIn PDF document text
- http://scro.ru/pic/file/67489147445.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca379f2934---wikepukiwegagob.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/xuzemeganibapopomo.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog//file/mixejudavadodala.pdfIn PDF document text
- http://host.keraladreamhomes.com/~viswabrahmathach/admin/fckeditor/editor/filemanager/connectors/php/userfiles/file/63117251271.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c84ebbe7129---53637880517.pdfIn PDF document text
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/0n22rbcc291jl63j64haf2g4ss/47305826412.pdfIn PDF document text
- https://noithatkuongthinh.com/uploads/files/13612791044.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/sobemudujodofiloke.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/kegagupoder.pdfIn PDF document text
- https://carrieres-pierre.com/userfiles/file/tepebokajojiwegogab.pdfIn PDF document text
- http://boek.se/bilder_umeny/File/terabipuvuwagadugan.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084e68dd3656---52347732980.pdfIn PDF document text
- http://www.parkwaytransplant.com/media_upload/upload/files/9404040086.pdfIn PDF document text
- https://lensprovn.com/ckfinder/userfiles/files/32858356986.pdfIn PDF document text
- http://ducthoaudio.com/upload/files/xodevenufigaxokilufegi.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/5ad5547e40929fe2050a4da10fd3a185/46126948234.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/meneju.pdfIn PDF document text
- http://webursitet.org/Files/file/68595760917.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/88cc020528f9c508f277e8d1f9db4c09/fiwaguzezepepagofuboj.pdfIn PDF document text
- https://irantruck.ir/data/file/finatupelesedelopofanodit.pdfIn PDF document text
- https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/tb4k6jo7k9lgr279fjmmh4kr6g/dalufobodamapopugiz.pdfIn PDF document text
- http://mamnonlittlesun.com/upload/files/44798690380.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=mosby%27s+paramedic+textbook+4th+edition+audio+downloadPDF 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_off0000ced8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCED8 | 11516 bytes |
SHA-256: d8a3807a1f8010c6e0e8902a525e2438df9d2a356e31af56e3386203f69bc728 |
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font_01_sfnt_off0000e9e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000101fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101FB | 16480 bytes |
SHA-256: c6b1639ef0e70ac51fa55a7635711ad8c044a2691d31b66dc69308915c04a162 |
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