MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised CMS upload storage and disposable hosting. The document body was unreadable, but the presence of numerous external links suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://atut-biuro.com/uploaded/file/segatamu.pdf In PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6e889a9bb.pdfIn PDF document text
- http://www.rkcomdesignservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a26b0ba17---33456631425.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/97259572800.pdfIn PDF document text
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/98d0895dc81f7819f8cc6a1e228f7394/42160735736.pdfIn PDF document text
- http://marketypik.pl/zdjecia/fck/file/9013155978.pdfIn PDF document text
- https://raljob.com/userfiles/file/78926519148.pdfIn PDF document text
- https://reniuved.it/file/56662070444.pdfIn PDF document text
- http://aweibel.com/Photo/file/45713806084.pdfIn PDF document text
- https://youkuvpn.com/upload/files/84723305970.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4b319c5ca---37507113768.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/2a26e680b99df7392f45e66c167be032/59849760689.pdfIn PDF document text
- http://criollo-cocoa.com/userfiles/file/bonanafuvoxemele.pdfIn PDF document text
- http://www.celso.org/download/sokewenazob.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/5u2hqfu5t2asn50estm5u0v3ko/botukigoxowivatifizil.pdfIn PDF document text
- http://luatsugiadinhviet.com/upload/ck/files/fosoretopaxulu.pdfIn PDF document text
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607215a3061d8---46029754049.pdfIn PDF document text
- https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/1607741e9e13bd---50767849178.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/bevumolinodevogaparenax.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=actividades+diagnosticas+para+segundo+grado+de+preescolarPDF 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_off0000d730.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD730 | 17860 bytes |
SHA-256: f760a298ed4390aa4f607f9fa95cf7779ff05e04f804ab93d416624eadf4b5a7 |
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font_01_sfnt_off000104a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104A4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011cbb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBB | 10836 bytes |
SHA-256: 30515087f9b8e66abbfaec9f5c98d7228502c8dcf11c16100328f1b144056528 |
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