MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically flagged as 'Pdf.Phishing.Trojan'. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to various domains. Several of these URLs lead to compromised CMS upload directories or disposable hosting, indicating a likely intent to host phishing content or distribute further malware. The presence of multiple external URIs and the 'Malicious Link' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://doorsatyrau.com/ckfinder/userfiles/files/vubuxuderasiteluwaf.pdf In PDF document text
- http://www.bufolari.com/public/immagini/file/23261193443.pdfIn PDF document text
- https://bepxuyenviet.com/upload/files/nusomefurelole.pdfIn PDF document text
- https://arslanemlak.com/E/file/In PDF document text
- https://przyklejki.pl/userfiles/numupirudoxadiz.pdfIn PDF document text
- https://jagominum.com/contents/files/texusukorijopesuzesux.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/161428d0c2ed3d---52842947177.pdfIn PDF document text
- http://ifaistos.reality.gr/~triantaf/images/file/mebodibapanogozisolubede.pdfIn PDF document text
- http://www.farmaciavictoriayjmleon.com/userfiles/files/tigumizumebirogivezukow.pdfIn PDF document text
- https://floridainvestment.cz/files/file/58271964893.pdfIn PDF document text
- http://erulingua.hu/uploads/content_files/files/gemokibafo.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/selosi.pdfIn PDF document text
- https://maintogelonline2.bet/contents/files/piluwipa.pdfIn PDF document text
- http://newabel.com/ckfinder/userfiles/files/58876358504.pdfIn PDF document text
- http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138196cf0a9f---reloko.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136856326d78---jefejikigu.pdfIn PDF document text
- https://artistaone.co/userfiles/files/99669821312.pdfIn PDF document text
- http://servis-hradec.cz/files/file/ziveralipobafekunesatuxi.pdfIn PDF document text
- http://all-paca.com/ckeditor/ckfinder/core/connector/php/uploads/files/28953212739.pdfIn PDF document text
- https://kalimati.in/userfiles/file/vidafor.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/nonikawobugajole.pdfIn PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/3107654531.pdfIn PDF document text
- https://savitravel.ro/ckfinder/userfiles/files/pibinefafivanume.pdfIn PDF document text
- https://promoform.coreform.it/uploads/file/59628259437.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=the+best+free+games+frivPDF 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_off0000cce2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCE2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4F9 | 10560 bytes |
SHA-256: 3b9853160efad16f8f9e6166d787146b2eea74751ba30d0e4e0ed6c53ec5270a |
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font_02_sfnt_off0000fd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD1D | 17316 bytes |
SHA-256: ed5a18c74c19b6f4f629aca535e2efcd3f130c29da6ab04c6e4d8ab16d1e5e02 |
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