MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous external URLs, many hosted on compromised CMS upload directories or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://pistant.ru/uplcv?utm_term=john+wick+3+full+movie+free PDF link annotation
- http://fuyu.010bi.com/ckfinder/userfiles/files/wonav.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/a19a98e1767ac35cdecdf5b65f01e754/58564537559.pdfIn PDF document text
- http://nm-union.ru/ckfinder/userfiles/files/68796542851.pdfIn PDF document text
- http://vidol.nl/userfiles/file/bafukerojidulinej.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/9593750f4a6e3307bc4f996ce96f92ea/xalemijinufoxu.pdfIn PDF document text
- http://southerncross-ex.com/images/blog/file/tinubuwetutulujefuw.pdfIn PDF document text
- http://gpszone.hu/upload/userfiles/file/puluweparukixusezemuvexew.pdfIn PDF document text
- https://plewmal-d.com/Uploads/files/goliloponogazud.pdfIn PDF document text
- https://at1-turbo-j3t.com/contents/files/sasuwakuwevadigezed.pdfIn PDF document text
- http://rm-centr.ru/uploads/file/raxojekavifusomisewoxen.pdfIn PDF document text
- https://paidionresearch.com/userfiles/files/39272957432.pdfIn PDF document text
- https://kozlovka.mebel18.com/uploads/files/gixenajexavuwopuveginuzix.pdfIn PDF document text
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/16143f8cf81328---kunubusukawapazono.pdfIn PDF document text
- https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/d5e84d6fcea83a48c430248d37a4549a/34426046919.pdfIn PDF document text
- https://ctcitsupport.com/media/files/34962861178.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/weramitufeda.pdfIn PDF document text
- http://446888.top/userfiles/file/24423528555.pdfIn PDF document text
- https://ferest.ro/imagini_ws/musojawezabosapaze.pdfIn PDF document text
- http://nfraccon.org/userfiles/file/49965564181.pdfIn PDF document text
- https://twinslock.com/ckfinder/userfiles/files/rawokunefemu.pdfIn PDF document text
- http://honda-vo.com/upload/file/zikutu.pdfIn PDF document text
- http://namngonviet.com/user-/files/21135892023.pdfIn PDF document text
- http://galettedesrois.eu/userfiles/file/jedaw.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_off0000b688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB688 | 10680 bytes |
SHA-256: 1cc1e1e28ab58f0cb55aa7a91c6f5f0910756d026863929685cfed1971a4ca3f |
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font_01_sfnt_off0000cee2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEE2 | 17280 bytes |
SHA-256: 21195ac0a4c1385d2030fa9a3a62c6c54b6a5e624508f4d4caaf8fbd95b99858 |
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font_02_sfnt_off0000fb84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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