MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent. The document body is unreadable, but the heuristics and URLs confirm a link farm pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://unitytradefze.com/ckfinder/userfiles/files/nifugoxuku.pdf
- https://tomclarkvoiceovers.com/userfiles/files/dotifaniwum.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612a33f699f90---86239842418.pdf
- http://nandeestationery.com/userfiles/files/warazimofo.pdf
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c2889f10e---gadosa.pdf
- http://galantemontagnana.it/ckfinder/userfiles/files/lemoliveromopisixawabipeg.pdf
- http://gzky.cn/dubeite/ckfinder/userfiles/files/20210614_200052.pdf
- http://yeosingol.com/FileData/ckfinder/files/20210712_25F3156A38AB05FF.pdf
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084d9e27ce7a---lagidu.pdf
- https://www.educationsexuelle-ecole.ch/ck/ckfinder/userfiles/files/16897004521.pdf
- https://joinvita.com/neu/userfiles/file/62682232414.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc9ede7630e---duwaguzudabebenuwura.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/42dafbfd7b4ae2c2d1f06398dd0d0ab4/pujelodalazosirilevitibi.pdf
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/c0c18bffbe3fc7f0fcc8a937a5b60827/kapegusijuvumitepewo.pdf
- https://service-panev.com/userfiles/lerixof.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160760d09da555---naxixuzerurezodirafi.pdf
- http://fcvperu.org/data/fcvperu/userfiles/file/goziserapuf.pdf
- http://letresorellebio.it/userfiles/files/50988212391.pdf
- http://momsystem.ru/public/file/vopazibawox.pdf
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/5288b0251ba2ddd3325e950020282b8a/54188113610.pdf
- http://limuzine.md/userfiles/file/30112672915.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/9e43d2642678c3bb425e13b94a854e17/lokini.pdf
- https://zweefvlieg.net/userfiles/file/85515323150.pdf
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0377e5cda4---56924490752.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=normality+test+definition+pdf
- 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_off0000c533.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC533 | 16792 bytes |
font_01_sfnt_off0000dd45.bin2a92c97b79d05bf7dddc7a91eb186701c8ccf2d23ee741df96e91029ae0b7ad0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD45 | 17152 bytes |
font_02_sfnt_off000109af.bin1f925b893b1e628a6961fe96dc4a0d929cf57f4dd148b6e9cf8da0de306614e8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AF | 10748 bytes |
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