MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites and disposable hosting, suggesting it functions as a link farm. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms this, indicating the document is designed to redirect users to potentially harmful sites, likely for malware distribution or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://inwebjor.ru/uplcv?utm_term=passengers+2016+full+movie+watch+online+free PDF link annotation
- https://sdhouse.info/ckfinder/userfiles/files/75627634251.pdfIn PDF document text
- https://hainutedecopii.eu/ckfinder/userfiles/files/tufovusalomibegijafa.pdfIn PDF document text
- https://drakbera.com/ckeditor/ckfinder/userfiles/files/7329837349.pdfIn PDF document text
- http://snailgame.ru/upload/files/20210902072432.pdfIn PDF document text
- http://chelseafoodmart.com/uploads/files/79540567894.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/gifv9os5apsff0pr07hfimeh55/37990600937.pdfIn PDF document text
- https://ethnicminorities.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/32654118487.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/50540088728.pdfIn PDF document text
- https://alpinebadmintonacademy.com/ckfinder/userfiles/files/xozutobamalugoziripa.pdfIn PDF document text
- https://kulittelor.com/contents/files/1182638073.pdfIn PDF document text
- http://kodemari.info/data/files/11635667588.pdfIn PDF document text
- https://cailux.lu/userfiles/files/kotobevisupivir.pdfIn PDF document text
- http://location-appartement-venise.com/italie_documents/files/85085239241.pdfIn PDF document text
- https://snowcat.pl/admin/ckfinder/userfiles/files/fafavitigun.pdfIn PDF document text
- http://bukharajohnscreek.com/sites/default/files/file/37279446749.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161373fad86fa0---gikofuvewalaf.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614049c0bf024---94463042806.pdfIn PDF document text
- http://besteva.com/upload/files/tenagipogir.pdfIn PDF document text
- http://aumnat2car.com/ckfinder/core/connector/php/upload/files/jewuzalikamuxaj.pdfIn PDF document text
- http://charolais-hessen.de/write/userfiles/file/timesub.pdfIn PDF document text
- http://nanumed.ro/uploads/files/15078165590.pdfIn PDF document text
- https://dacola.com/upload/files/zomugopulifuzu.pdfIn PDF document text
- http://bonfiremadigan.com/uploads/fckeditor/file/koporedor.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://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_off0000f98f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF98F | 17596 bytes |
SHA-256: f6b0b64d1daaf737e5a2ee46748ebf1f025b1c7633018f099b8cebe5fe979e8b |
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font_01_sfnt_off000126db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126DB | 11500 bytes |
SHA-256: 5e377e18c981311d83465f5117a6a7fa033ba1811ddc69b762bf628f65e3a88c |
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font_02_sfnt_off00014213.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14213 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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