MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous embedded URLs, many of which point to compromised or disposable hosting. Heuristics indicate this is a link farm, likely intended to phish users or redirect them to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan.
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 http://flyingfish-stay.com/userfiles/file/83801721277.pdf In PDF document text
- http://starwindows.ie/ckfinder/userfiles/files/mopanixuvodevaba.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/16135f28e666be---betiwujunoxojo.pdfIn PDF document text
- http://atol-res.pl/uploads/file/zujelaxaxevibiwuk.pdfIn PDF document text
- http://nwhouse.ru/uploads/file/xugafomewave.pdfIn PDF document text
- https://gtselect.fr/ckfinder/userfiles/files/2709751877.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/2c11cf7433d6c33168043d8bd3d911a8/12254669154.pdfIn PDF document text
- http://suvagcentr.ru/userfiles/files/76913246199.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/divujololemanimomezeruj.pdfIn PDF document text
- http://iwayman.com/uploadfiles/file/210908033202124736apet3d.pdfIn PDF document text
- http://tgroupsrl.com/userfiles/files/51077796150.pdfIn PDF document text
- http://baltic-rt.ru/ckfinder/userfiles/files/35327676580.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141667d6c4f2---25906347939.pdfIn PDF document text
- https://cahayamimpi1.com/contents/files/41398215983.pdfIn PDF document text
- http://lngpetro.com/userfiles/file/nemenosibugukagezuzab.pdfIn PDF document text
- http://cellfruits.com/ckfinder/userfiles/files/78739966487.pdfIn PDF document text
- http://arabstina.com/ckfinder/userfiles/files/deputedat.pdfIn PDF document text
- https://autopsrus.aerovents.com/ckfinder/userfiles/files/21004740751.pdfIn PDF document text
- http://ficfart.org/userfiles/file/24571947352.pdfIn PDF document text
- http://michelschuurmans.nl/images/uploads/file/22770224687.pdfIn PDF document text
- http://shyjjc.com/v15/Upload/file/2021931449123695.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/58133714105.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/xipatevisizonebuleto.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=black+butler+episode+15PDF 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_off0000b379.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB379 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cb8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB8B | 16268 bytes |
SHA-256: 627aa6231e6f7a11711917111de77ec01e71016622fddf547d260cc64304bdd1 |
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font_02_sfnt_off0000f555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF555 | 10972 bytes |
SHA-256: cc16abe601e106a5df2f4c24a732c22738e72d755ab1ae1cabe49f5a76e6af81 |
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