MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised or disposable hosting sites, which is a common tactic for phishing or malware distribution. The presence of 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 0.9973
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://aroma-es.site/yamituki-n/uploads/files/21506693262.pdf In PDF document text
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/10424094655.pdfIn PDF document text
- http://skulpt.in/admin/uploads/file/64770816489.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/kiwotopaxonadaja.pdfIn PDF document text
- https://norservis.com/files/files/mawezogogovatojunivu.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/652d99ae531aebc98e11bced934e6d58/labepasomuroxa.pdfIn PDF document text
- http://wxeina.com/userfiles/files/mogadef.pdfIn PDF document text
- http://geofer.eu/userfiles/files/romode.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16136a21fe2125---gugajelij.pdfIn PDF document text
- https://mimpishiosatu.com/contents/files/vufaxebewunofizini.pdfIn PDF document text
- http://balaton.varosom.hu/userfiles/files/563380303.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f06ed7de12---86088066557.pdfIn PDF document text
- http://meuble-tunisie.com/userfiles/file/rokukekajinizad.pdfIn PDF document text
- https://braindevelopmentmaps-org.neurondevelopment.org/userfiles/files/giramar.pdfIn PDF document text
- https://fiberglasssupplydepot.com/userfiles/file/juraboxopofowewubitozip.pdfIn PDF document text
- http://jonellchem.com/upload/files/vuzanadajibezatejo.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/neneto.pdfIn PDF document text
- https://taxforce.nl/userfiles/files/vibazedabewogunefen.pdfIn PDF document text
- http://outspokenholland.com/userfiles/fckFile/20210905063522.pdfIn PDF document text
- http://hanleyresources.com/images/67028198735.pdfIn PDF document text
- http://asupuro.com/upload/save_image/files/wudufudabel.pdfIn PDF document text
- http://tion.hu/upload/file/xebikumujaxuzad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=kodi+to+chromecast+from+pcPDF 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_off0000bf6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF6E | 10728 bytes |
SHA-256: 868e0ee6582931f6b529d99cde3ae0c1c33ded54f40d866a2c34a3362ce1c36c |
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font_01_sfnt_off0000d814.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD814 | 16588 bytes |
SHA-256: 5d09f35e5c972b7cd41cf973451d164efa6bc332a281c7da25f4c4233b842684 |
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font_02_sfnt_off000102ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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