MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9764
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://kashima.cc/userfiles/file/vasijinadexibikorurozanis.pdf In PDF document text
- http://hillcrestneighborhoods.com/userimages/75904035701.pdfIn PDF document text
- https://chamsocmuihong.com/wp-content/plugins/super-forms/uploads/php/files/oe9msbt0heeqbd1d4rlh9vuape/68834869494.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613450fc06533---jiwitizonalofikig.pdfIn PDF document text
- https://nepalipublisher.com/ckfinder/userfiles/files/xejefivafubopuviponuwad.pdfIn PDF document text
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/6300531984.pdfIn PDF document text
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5cfe30cd34---23940239188.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/lugafujugagefaxafazeruda.pdfIn PDF document text
- http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/7e4fdcc4e97e7019958e9b96838e48c2/tefaduxuporabuwafupiw.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/aaba0161094e6654d2a39b5435aa5feb/fopiwinitamogixojazadej.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/jm6u857m9gd9kog1mjanifg0u9/45512267404.pdfIn PDF document text
- http://chochosanencino.com/uploads/files/66401533592.pdfIn PDF document text
- http://infinity-pro.ru/userfiles/file/japipudavejezetu.pdfIn PDF document text
- http://robfredo.com/userfiles/file/xurinufibatelopetolaj.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e6af6daba4---wuzarasilefasaxefiba.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/37511997179.pdfIn PDF document text
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c902367f8d---vovotusibupitafisotexobuz.pdfIn PDF document text
- http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/56221067233.pdfIn PDF document text
- https://mangonebike.com/uploads/file/werewuvezuf.pdfIn PDF document text
- http://chandravanshi.com/userfiles/file/81946200833.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/8b4401edc6b01b6a88ce62c71448b964/37513102266.pdfIn PDF document text
- http://soflcops.com/clients/83267/File/17135939929.pdfIn PDF document text
- https://my-natural-style.net/upload/files/zajibutukiwepepilurif.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/gubedijonofudupewun.pdfIn PDF document text
- https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/43024712291.pdfIn PDF document text
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/k296cldietv2obtj76qsihq9re/wobobir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=prova+enem+2019+questoes+pdfPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1CC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DE | 20636 bytes |
SHA-256: 09c67b4bb69fd1b2ac308320674ceec87d9e136ab1bec71d4eed8337bef69a1e |
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font_02_sfnt_off00012ccb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CCB | 1860 bytes |
SHA-256: 562d39cc93351683f3420870a5578826c1285db13c691c08f99be18f4980e560 |
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font_03_sfnt_off00013582.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13582 | 11296 bytes |
SHA-256: b517b7fe55f4fa8f3b461c0f1d417749abfae082075efec4a837ecba4be527c6 |
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