MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier also strongly flagged this PDF as malicious. These links likely serve as a distribution point for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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 https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/ulolec041mn3sq139abm4si2oj/vofenisanisavu.pdf In PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee15bebf72---xifixofowosewikumuk.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1cf0125c6---dobafaxiboruguboxuxu.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/cd3791e7fd3edfb2486812b547551884/gafozoxanoganugozutosuve.pdfIn PDF document text
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16081a7b50f27b---kejegikagovewojeti.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608100cd53703---botinevonefumonaviziz.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/49ca6819a6fec940a34810a2f3d6608f/20279157328.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606fd8bcb9832---jilafifizotivewosatinub.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160726747e383b---8334201627.pdfIn PDF document text
- https://cursosgratuitosonline.es/wp-content/plugins/super-forms/uploads/php/files/530pcg8fa467dsua1u6fmnk0pb/34159972359.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/ce9fc716e84e7df9eecc8cf88bc8d0ed/4271992936.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/16f770097529fdaa05f52a0ead8d4ea1/88352076372.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/380716e313acbf40253062013cb93f32/xuboxiwiriv.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160770acd0ed73---35032893699.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5e703ae89---tokitezuzegisiwug.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=ependymoma+mri+reportPDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/0ce38703cebe9968d7b8358c7c457fa9/46153309527.pdfIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC85 | 4956 bytes |
SHA-256: 0652d0cfcbda47951184c81626502cd2cff32e9a5603863591c3e2a7faf124c1 |
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font_01_sfnt_off00010d51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D51 | 10552 bytes |
SHA-256: 2158eb956d73cdcfd7c3d7b4cbb2664bb94071a42592c1656ba24a4f03da6042 |
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