MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple URLs, several of which are hosted on compromised CMS upload storage, indicating a phishing or redirection attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1923e0c53---4367483052.pdf In PDF document text
- http://kepco-group.com/uploaded_files/userfiles/files/81033165066.pdfIn PDF document text
- http://invismortgagebroker.com/images/file/49379290944.pdfIn PDF document text
- http://esejsc.com/upload/files/rulosulawut.pdfIn PDF document text
- http://ibarugi.com/fckeditor/userfiles/file/63966244834.pdfIn PDF document text
- http://www.examnotice.in/uploads/files/zuvilusadupujabajizisatex.pdfIn PDF document text
- https://sunnyvale.com/wysiwygfiles/file/8871658993.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133d10f679c8---87517504135.pdfIn PDF document text
- http://xn--eyt274i.com/upload/files/xivepuxugajewijijomilibub.pdfIn PDF document text
- https://chowdhurytourism.com/ckfinder/userfiles/files/fevisewiveketuro.pdfIn PDF document text
- https://advantagelic.com/singhania/downloads/file/16705897627.pdfIn PDF document text
- http://digifast.cz/userfiles/76153297105.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/f3cb04da7e0e88c742e50b82cb854836/65549528717.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/7fccgmasf5dehrnlddutb0tb54/beguguxega.pdfIn PDF document text
- http://hzbmsj.com/images/upload/File/gekinipewejoraxovudit.pdfIn PDF document text
- http://musorcentrum.hu/files/article/file/6724491070.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/powisasixad.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/fupugizukuronapubowufek.pdfIn PDF document text
- https://mar3ol.com/Files/files/gesodofifejomodu.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16140f794abf96---bizudalawavedugel.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/xivavetirofopimubuj.pdfIn PDF document text
- http://otestmanager.com/club/data/userfiles/file/20210904050400.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=modern+marketing+strategies+pdfPDF 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_off0000bf21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF21 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d738.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD738 | 10880 bytes |
SHA-256: 6cb540646af1589404b018d138092a721351afbba1e0392813ed04a055dee6f3 |
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font_02_sfnt_off0000f027.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF027 | 16404 bytes |
SHA-256: bb8cf372f9417191a29f7a98368956536685f66c223f307894b31608a86284e8 |
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