MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This structure suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to delivering a malicious payload or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da779008b31---pololuriw.pdf
- http://noospc.ru/SITE/files/editor/file/86948185682.pdf
- http://www.physedu.in/newsite/userfiles/files/lodobigonolilolet.pdf
- http://dostavkaturov.ru/files/file/75924367575.pdf
- http://golden-candies.ru/webroot/files/files/vasog.pdf
- http://www.associatedomains.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c27d551d9---12995932593.pdf
- http://ylpcl.com/ckfinder/userfiles/files/838835940.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c632c92d597---gonuwolijodokulubu.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/5aeohh1caamilt8s7h7qe9vkpd/97509397665.pdf
- http://losmarinoslanzarote.com/marinarubicon/admin/file/4771512995.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/4613d912eb8fbee8c6be2d24e2dafae9/gikisugitizexujivoxu.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/8iv873vimvml5n0fq4r3q8g39s/gajasamugorugiliparuwas.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160830ae94ea5d---20745982325.pdf
- https://dudikom.pl/userfiles/file/78012697923.pdf
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a165ae598f1---kulitujixubowenavixilewex.pdf
- http://jshtextile.com/UserFiles/file///72647500019.pdf
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/12411932026.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4d87cf068---zaraluded.pdf
- http://drukarnia-skawina.pl/app/webroot/media/files/47332379852.pdf
- https://communeouchamps.fr/userfiles/file/15740791522.pdf
- http://esoftland.com/userfiles/file/82373085656.pdf
- https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/4ecd2601a1a8c44fbd97d439fc30d85c/45007697226.pdf
- https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/2d3d48f1845d6e0d4bce06ca4e8c1c05/66704966064.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e07917abee8---sufazawukob.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=the+duel+of+fates
- 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_off0000eb16.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB16 | 16792 bytes |
font_01_sfnt_off0001032d.bin13bc2d6a1bf6e34a83cac3c909ee6416358c5ae6cc0abe9e74f0997ff92ae366 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1032D | 10216 bytes |
font_02_sfnt_off00011a49.binb941e8489ac762480387a66f0beed082ddf4e97f5c23fade6014ee2857a9bb03 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A49 | 18156 bytes |
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