MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites. The presence of multiple external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly suggest the document's purpose is to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://badaranquehablar.com/userfiles/files/zoxulukatavuwe.pdf In PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/qeflgmng3fjfd8mvg8hs1l89fp/63283551574.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/9508288935.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a275750a9d0---98560365462.pdfIn PDF document text
- http://arenabilardo.com/data/_files/73907246091.pdfIn PDF document text
- http://mileschapelcme.org/clients/9/9b/9b85db73e8c1d5ae3bc18b6db4f26039/File/68418692602.pdfIn PDF document text
- http://dobrejaja.com/Upload/file/palelobepipuburogodewaza.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609db55aefa54---felepeliworuzujosot.pdfIn PDF document text
- http://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160aa81c595dd9---jexab.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/pifazogunojagukemovefo.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160bab387b927c---99267299173.pdfIn PDF document text
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5da94da838---42811176612.pdfIn PDF document text
- https://karinbentum.nl/uploads/file/78513882724.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/4b050a555298f21095c386ec595aa040/nemevaxa.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/b93fc126289403d8c2ff7d7135e8b3c6/gininisid.pdfIn PDF document text
- http://scheidenschiedam.nl/uploads//file/68462143462.pdfIn PDF document text
- https://callalilyvn.com/upload/files/tebukabanibug.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/3187b1370a3228e877b67f3efc284f27/xubekolasowug.pdfIn PDF document text
- https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/6bee85e3c379548e8d1b6ff1d43e2dfe/7627668957.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084fc4cd29cc---fenona.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7b3e7856a---suzaduza.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/kepuzatidalabizinalesigad.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/s2rru2ipmg80sn5b885em3nbc7/vijotanepugusowonopibofa.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8b14c4d65---41407359266.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=helicopter+theory+pdf+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_off0000eb85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001039c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1039C | 10740 bytes |
SHA-256: c99cca9cab8d7d95a63d9ff1ddc9cbab8fd6424cc111bb39ebd706418eced661 |
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font_02_sfnt_off00011c40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C40 | 16164 bytes |
SHA-256: dfee2dd22ea415a21b3ec7b7608a971bf45e7d029929d7e8cbd5cfa40aaea9ac |
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