MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, indicating it functions as a link farm. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of urgency lures and download buttons further supports a deceptive user interaction.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 8
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160f12e809bf81---95729835339.pdf
- http://fsanaq.com/upload/file/210706110728664002rxet7blok0ep.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/36f609ee53fe45f0f522c8d281a906f5/93629353508.pdf
- https://heatingboiler.ca/fck_upload/file/kigavogitudodakuj.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/653107f5fd24f0fe361225e831d1433a/55069755328.pdf
- https://betenenergy.com/sites/default/files/file/45470704869.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d0c371e31---kowirokepepekuranejotowe.pdf
- http://konsultacjenaukowe.eu/Upload/file/zozelenozegabagivu.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d4ad9f2e4---40695362188.pdf
- http://consol.hu/images/uploadedimages/file/83955863943.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/00e79133dc1ceb0e76d3b9a2dc96776d/10659154414.pdf
- http://sammyurias.com/userfiles/files/33989833134.pdf
- http://hainescentreasia.com/images/file/23763309224.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/jednbq07hbb783d2q9mmn6f167/bamipunodufa.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b57f17e5241---jukiva.pdf
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160dc32dab5740---48063120604.pdf
- http://live-lessons.net/lcj/web/uploads/assets/file/44605365777.pdf
- https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/idi1tf1qfigmrg93pjfqslj9ei/42206545414.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/0b33865434bcdb50c10caf3483748b1d/72838871608.pdf
- http://hgbs.de/userfiles/file/fasitojojanerenisawaz.pdf
- http://fst-uinsu.net/userfiles/files/tetemid.pdf
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160780d1cafa54---43716030628.pdf
- http://dermaktif.com/imgup/file/28620020047.pdf
- https://mk-sito.it/uploads/file/53080719582.pdf
- https://tlproduct.com/userfiles/file/78981054919.pdf
- http://ozanatalan.com/iboard/includes/userfiles/files/jukikepaserebanaj.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=saxon+math+course+2+cumulative+test+12a
- 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_off00012b2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B2B | 16792 bytes |
font_01_sfnt_off0001433d.bin8a891e5db8ea7b4be900fd979506161f96fea29263bf676e98d938a6bd85428b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1433D | 19020 bytes |
font_02_sfnt_off00017628.bin9f6a985771bff783e55b5c7f2d612fadb8c347fad1908c4b5f3594037f3fcf5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17628 | 11012 bytes |
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