MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, with a critical detection score. It functions as a link farm, presenting multiple URLs hosted on potentially compromised CMS platforms, aiming to trick users into downloading further malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics indicates a deliberate effort to obscure the malicious destination through a network of links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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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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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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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://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d22492aa284---27133117933.pdf In PDF document text
- http://myshopekerala.com/userfiles/file/zeneridijuzulavo.pdfIn PDF document text
- https://yepsell.com/userfiles/files/wipejibazo.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/232b0129953bcb1879027bb85802a444/rijefuvakikaxov.pdfIn PDF document text
- https://arhometutor.com/userfiles/file/busaxekikixaso.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/be2a676277f2691885f8bc7323bf5cc6/dupudirunorefizerupaw.pdfIn PDF document text
- http://meechoktoolmart.com/user_img/files/lixozegoviratulineka.pdfIn PDF document text
- https://asset-books.com/userfiles/file/23660868248.pdfIn PDF document text
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/02c4d3475d6cfc3843777bda1894263b/soradivipagawab.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/8jqnbijo74183eqq4hbm1k961u/58903998350.pdfIn PDF document text
- https://www.apartamentselsllacs.com/wp-content/plugins/super-forms/uploads/php/files/uqki2m4j1ae82lqatba0vriccs/liwajanido.pdfIn PDF document text
- http://yjsyrj.com/userfiles/file/58544804528.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/60716cbce914a2889cb1abc18d0944a6/54571657090.pdfIn PDF document text
- http://lacasedescaraibes.fr/file/33581690752.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=simon+haykin+neural+networks+a+comprehensive+foundationPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001045f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045F | 18144 bytes |
SHA-256: 896f9a2d65f92c7cf7f12a9e8782585054e0786f1c00af379985dded36809b2f |
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font_02_sfnt_off0001337b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1337B | 11416 bytes |
SHA-256: 2a8aac97fd6bfce2b9f43d7c43a8388448c1b00257093a40aa667dfb5b5ad004 |
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