MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF that contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. These URLs are designed to lead users to further PDF files, indicating a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9970
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://bukharaalpharetta.com/sites/default/files/file/22235439140.pdf
- https://suadienlanhhanoi.net/upload/files/993647074.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608138ee2ea92---peretokutofuruwetemit.pdf
- https://angelsstaff.com/uploads/file/nakogefexelofovevok.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e770c87f3---64059390846.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/u8foqfl65s716a407ekd233vb7/77057129682.pdf
- https://yepsell.com/userfiles/files/tedasatelalusupipilon.pdf
- http://dchs1961.com/clients/871949/File/45479589719.pdf
- http://churchtextile.com/userfiles/file/26641059573.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609651f2aece1---76613980745.pdf
- http://shinies.ru/img/lib/file/86233095009.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857e27333e8---kidozadubezozepobepirix.pdf
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/a96403c28653aa322b56a62f87322abe/26644072500.pdf
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/6d7e7d351b8ed012d540e9c0491152d1/53059848541.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da607b9735---1462098395.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160765f36a5204---xemafavifu.pdf
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846732160ff---maveturegiwudovukoduj.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/fsqvv9t5qle3dd09ml4vg1qbq6/jotumifemepuziroset.pdf
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/rgu2f752h3j77439i53ds6d2p6/62368593884.pdf
- http://pampa.be/uploads/userfiles/files/33621572988.pdf
- http://www.jcca.co.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609503fe907db---80270735346.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=houses+for+sale+crookston
- 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_off0000ef43.binbaf7aa54f758966eb3a7380e71f83d56d536411805eec142abc45085db3c21e4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF43 | 10420 bytes |
font_01_sfnt_off00010712.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10712 | 16792 bytes |
font_02_sfnt_off00011f24.bine325d1397c56a42dcfd9779662a4eda78ec5b0145634a61edccba3feff4994b4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F24 | 17420 bytes |
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