MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm for phishing or malware distribution. The presence of embedded URIs and the nature of the heuristics indicate a deliberate attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7a75347d3---zorowexalowalerola.pdf In PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/c2b241861d37fc65f078584b9fd16388/mefuvuwema.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074149a03f81---rijewo.pdfIn PDF document text
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/186e7cbf713f93c49e39b3dc82bbb1b5/80197980402.pdfIn PDF document text
- http://naturallabs.fr/userfiles/file/27470212153.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/997218b80e38b45f85db26b22a501ef3/doporibos.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/dukiriparofaz.pdfIn PDF document text
- http://maslag.eu/userfiles/file/98457058243.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087fdb942eb0---77226959543.pdfIn PDF document text
- http://skupka54.ru/upload/m/wimawivobenopizofege.pdfIn PDF document text
- https://thriveelearning.com/wp-content/plugins/super-forms/uploads/php/files/cd63594ba4543ab754589a22d05c66c2/tixuzuwetikudotatunurej.pdfIn PDF document text
- https://www.charroninc.com/wp-content/plugins/super-forms/uploads/php/files/f63cdee53b74b1da44062475f20f02f3/bajitonewivituwomexepe.pdfIn PDF document text
- https://zlatartopalovic.rs//files/pimumo.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094b7e3de0fc---sulojogekun.pdfIn PDF document text
- https://finatwork.com/userfiles/file/tokubelakafinitu.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/u5ngjelafpje4l62a1u9krsue0/kusagonemivemud.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f934f3f88---85100858170.pdfIn PDF document text
- https://mecaniquekd.ca/upload/file/zinebajogevuzaninofuteke.pdfIn PDF document text
- https://pensiuneavlasin.ro/wp-content/plugins/super-forms/uploads/php/files/nst7m3f6qtd59sc53s6von5pcr/67681076078.pdfIn PDF document text
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0318110ff6---46562514091.pdfIn PDF document text
- https://cubic.is/userfiles/file/pufufibadopapix.pdfIn PDF document text
- http://austria-ex.com/images/blog//file/37616719282.pdfIn PDF document text
- https://raiporjai.com/piceditor/file/gerapobaga.pdfIn PDF document text
- http://unsersohn.ch/images/file/pekizefowajilelofuga.pdfIn PDF document text
- http://bielwod.com/userfiles/file/86937378659.pdfIn PDF document text
- https://monarchwinemerchants.com/wp-content/plugins/super-forms/uploads/php/files/3f3bc186c473fb6bfbec413e483d95a0/48221285517.pdfIn PDF document text
- https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606caeba81ec3---ziberevivunitexatak.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=streaming+film+justice+league+2021PDF 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_off0000f3d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3D3 | 11160 bytes |
SHA-256: f4095b25e70ee6e453ee2016aa8039720937432c9ae7514f1f278f0db64930ac |
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font_01_sfnt_off00010dfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DFC | 17432 bytes |
SHA-256: d8fdf45a02b1b2a668593da692a62257a1935e47bf1ef89fe36d092c8745697c |
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font_02_sfnt_off00013b1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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