MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' indicate a pattern of using disposable or compromised hosting for link farms. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://ketchas.ru/uplcv?utm_term=plural+of+a+family+name+ending+in+s
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/ea8n6e4lrtqjbbkvtniqotied4/61379938981.pdf
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160730ec3aa656---degefogonefeloje.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609612e248210---24212713390.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/af46f7c1fee9c2cfecbc3ddf6565d283/84084886531.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607412328cc4e---73887507401.pdf
- https://altonika.pro/files/fck/file/94424377791.pdf
- https://inverpalmas.site/aym_image/files/51504751777.pdf
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/4fb6c92eee4c803320b5911b6b77f9af/60778964367.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3952e816b---13900208972.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b31a74ec2f8---ranagizaliregasusematim.pdf
- https://coluer.ir/documents/file/67222368773.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d90ca296dd---koxufo.pdf
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/7d7d689545cf37382729d1b57d69ab01/daguzutolexeni.pdf
- http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/11a7414b27e99e70087c8b67411a4ef2/nuverekomazujaz.pdf
- https://skyzoan.com/cake/beta/userfiles/file/ralavexelufivesebajasiv.pdf
- http://mtecommerce.it/public/news/file/jomiwepeduvefixelajedaxon.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/f70b0e173a01c4ca5dcc4b68c66179da/dakanu.pdf
- http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/dbc25dd34886a7a16e8e9dd10ccbe8b2/36271661139.pdf
- https://lescourailleurs.com/upload/editor/file/70345823019.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4d86b204c---42173954250.pdf
- https://szaniterplaza.hu/ckfinder/userfiles/files/butanujugumedegigadavip.pdf
- http://bdaudit.ro/userfiles/file/26697294764.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6eddd9b6a---xogomarutofevokerutokunib.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070325d62477---83533719893.pdf
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/cfac0f0a5ab1cf93995318b844d60701/35939732973.pdf
- http://xz-brand.com/ckfinder/userfiles/files/34777804894.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_off0000fbb0.bin82a5e1797d5357dd6c4168169ce5dce6d7dd962395d2d12613938bd0bf16e7f0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBB0 | 17436 bytes |
font_01_sfnt_off00012985.binc4981a84f6e3e458bf921b114d0c297b66c02c683a284a5f7b47fef26cb22ba8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12985 | 10812 bytes |
font_02_sfnt_off0001423c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1423C | 16792 bytes |
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