MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to distribute malware. The presence of a 'download button' heuristic further supports a phishing or malware distribution lure. ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dp-engineers.com/admin/userfiles/file/14009571626.pdf
- https://samsunyapi.com/userfiles/files/71320970331.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132db8ab3fa9---belelu.pdf
- https://dortmundpools.com/contents/files/gaxomufikig.pdf
- https://mallarpurnaisuva.org/go/file/buwamesugumuzugu.pdf
- https://groupunsur4.com/contents/files/27021769402.pdf
- http://nena-artspace.com/ckfinder/userfiles/files/dajipoloralogefirad.pdf
- https://pnvvr.ro/userfiles/file/51140974385.pdf
- https://hebatkeren88.com/contents/files/gononajowuriralululere.pdf
- http://versobrokers.eu/userfiles/files/23133795404.pdf
- http://shriadinathbank.com/uploads/79779943427.pdf
- http://pagyesa.org/userfiles/file/20210903193032.pdf
- https://senegal4d.com/contents/files/49178221127.pdf
- https://rijst.nu/userfiles/file/katurowe.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/9av7pa27j3tsui143r6e3f7b67/43595005862.pdf
- http://www.binghan.my/userfiles/file/40357163957.pdf
- http://shethof.ch/cgi-bin/dynamisch/file/30232687605.pdf
- https://perfecthospital.org/FCKeditor/file/vinitajud.pdf
- https://sthouseluxury.com/upload/files/zusosunakawunini.pdf
- http://perfect-gallery.com/userfiles/file/49115556280.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16130319515dc5---29937795914.pdf
- http://duancanhotot.com/upload/files/lajozotepimemi.pdf
- http://rakkhunnursinghome.com/user_img/files/2796450430.pdf
- http://files.ibiza-ferien.de/file/93031776206.pdf
- http://toyotarent.hk/FileData/ckfinder/files/20210904_3E5D62DD9F4FF8D2.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+turn+off+nearby+share+on+android
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d75e.bin9f4823e105b9e31d60c1859d6b3a020877ee3983134093dbf1a2ea1ab8980a16 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD75E | 10836 bytes |
font_01_sfnt_off0000f059.bin37d5369ee235aa746d6e3d8d3d0f002dcce4f5c90ee18738778d42b1cf321f4a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF059 | 17176 bytes |
font_02_sfnt_off00011cd1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CD1 | 16792 bytes |
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