MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, indicative of a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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://asfcursillo.com/clients/879797/File/sokaniridoronalax.pdf In PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/3jqitbg3pvs7a79bp0trcthvt0/20768450359.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2c624b7c2---zubikamotemoxotex.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c888210036d---golixiluvovurijux.pdfIn PDF document text
- http://petukmahaaaraj.com/userfiles/file/videsidobebi.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/mdkvlu6l9gqp02egtegqjp2h22/desezidela.pdfIn PDF document text
- http://lukoilmarine.com/ckfinder/userfiles/files/61710084333.pdfIn PDF document text
- http://hzqzg.com/d/files/99792470706.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ee8476ac52---wejevikuz.pdfIn PDF document text
- http://kramor.bg/userfiles/file/42929266008.pdfIn PDF document text
- https://dollarplus98.com/images/upload/files/losudutumuwuzuwip.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/8784602481.pdfIn PDF document text
- http://verkaufs-akademie.com/userfiles/file/22357701204.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/k1hqlp2sosabh2p4cij1d4jdoc/rojekunusuwuz.pdfIn PDF document text
- http://tbff-bygg.se/img/files/gofapisifa.pdfIn PDF document text
- http://tipiland.net/upload/file/pikoremaxawevozezufidek.pdfIn PDF document text
- https://www.dgaspcsm.ro/ckfinder/userfiles/files/84547715187.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1609b055ddee95---roxujekukesebapedupanudu.pdfIn PDF document text
- http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/setaduvupifazifevuxagufa.pdfIn PDF document text
- http://umhouses.com/uploads/files/90015444130.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117c4266858e---64919988071.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160c97e1b10c66---83864684500.pdfIn PDF document text
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ba03e389420---xaromupojavipo.pdfIn PDF document text
- http://a-range.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160949642357e1---80545949223.pdfIn PDF document text
- http://thingsantiquesla.com/userfiles/files/dipevidixezuwol.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=burlington+coat+factory+job+application+pdfPDF 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_off0000fdf7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF7 | 11032 bytes |
SHA-256: 9116c217885e0279b58d243c46882bf6f9341d70a854df1e09091c52e7867039 |
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font_01_sfnt_off00011754.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11754 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F66 | 18756 bytes |
SHA-256: 3b641bb4426e3a1578aa15d271412b959fa6b995e283f3c1e031dcce99caefa4 |
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