MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://bk.knu.ac.kr/ckfinder/userfiles/files/99214071295.pdf In PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c115ae12ca3---8762192528.pdfIn PDF document text
- https://xn--nmqu14inmf.com/upload/files/mapinelazuzijeka.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac342a57b80---93125826298.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16095d78f1d83c---57324521254.pdfPDF link annotation
- https://dobski.pl/userfiles/file/gizegurerakufawabojom.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609d49c671497---dexerujedamijoxejufinimol.pdfIn PDF document text
- http://fundacionecla.org/resources/original/file/zitewi.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830e494c221---gawalaveto.pdfIn PDF document text
- http://atut-biuro.com/uploaded/file/8909815728.pdfIn PDF document text
- https://windsbs.biz/files/file/lukudutuxigowoxis.pdfIn PDF document text
- https://needlugs.com/userfiles/files/18522393387.pdfIn PDF document text
- https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/r8j3fdhs0thmabclg4d1bq52qd/lobap.pdfIn PDF document text
- http://mellorymotors.ru/admin/ckfinder/userfiles/files/mijoboxijemejewube.pdfIn PDF document text
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/3614809613.pdfIn PDF document text
- https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/mibo8sfj93e79fg6jj73a4i4vk/76270644312.pdfIn PDF document text
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/089bd5b197f38aa5dce36068c4964123/guxar.pdfIn PDF document text
- https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/49b4f5531123b9752d25766357c2390a/270929036.pdfIn PDF document text
- http://pwmtqatar.net/userfiles/file/vorasu.pdfIn PDF document text
- https://infypos.com/infyposcms/media/kukimuvaxafupudupep.pdfIn PDF document text
- http://casaatlantida.com/userfiles/file///12927080101.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/pesidisepo.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/lekomamitux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=multiple+tiff+to+pdf+linuxPDF 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_off0000c23e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC23E | 17844 bytes |
SHA-256: 83f7bd116742101a011d0eea771b4df1e7530dd33c6402650ebf275cb399cda1 |
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font_01_sfnt_off0000f135.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF135 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001094c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1094C | 10256 bytes |
SHA-256: 020931a4b28425f0a325f06da2dfc7c1daeb0e33209f06a39d56cd13ff647220 |
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