MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ClamAV and an ML classifier. It contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a link farm designed to distribute malicious content or phish users. The presence of external URI heuristics and link farm indicators strongly supports a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://queure.ru/uplcv?utm_term=basic+instinct+full+movie+online+with+english+subtitles PDF link annotation
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba08a7dac3---gakexadubikunopako.pdfIn PDF document text
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f39f06ae67---32447395719.pdfIn PDF document text
- http://word.mn/uploads/assets/48884959544.pdfIn PDF document text
- http://brcassociati.com/userfiles/files/71987796151.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/gipewutivufufonip.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/dibuw.pdfIn PDF document text
- http://maekuangudomthara.com/ckfinder/userfiles/files/sugerigutaje.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210930172828-megudasafa.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/xajasidolejazekexopevela.pdfIn PDF document text
- http://byecook.com/ckupload/files/13824379306.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/wexewatodo.pdfIn PDF document text
- https://www.karelo.com/uploads/File/wuniwodufetuker.pdfIn PDF document text
- http://self119.net/upload/userfiles/2021/09/files/210918093451.pdfIn PDF document text
- http://koryosushi.com/uploads/files/24617262242.pdfIn PDF document text
- http://sanalights.com/admin/admin/uploadfiles/file/tutawusekiniletulu.pdfIn PDF document text
- http://mgocsm.in/userfiles/file/76023036014.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/57357313256.pdfIn PDF document text
- http://hanabi-la.com/uploads/files/toxulezopekafenukokat.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161329fa9d47f7---28393184816.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16151514ecdffe---86645326490.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/82118260534.pdfIn PDF document text
- http://abwmountvernon.com/uploads/files/memabifij.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/23890618932.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://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_off0000b31f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB31F | 11128 bytes |
SHA-256: 3dede000e0397f9c39eacf479a66a610e32a15b0f4c815f917b393eab8b60fec |
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font_01_sfnt_off0000cd07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD07 | 18248 bytes |
SHA-256: cab4e47810f2a4e4d625c8c4e767cb74d007d01ae4c5e2d5adac4c6e20ae8591 |
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font_02_sfnt_off0000fb34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB34 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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