MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites and potentially disposable hosting, which is a common tactic for phishing or malware distribution. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://studio45.live/wp-content/plugins/super-forms/uploads/php/files/nr6phfoqejhc4ftuq5g77r65uv/baxazupobox.pdf In PDF document text
- http://kapelski.pl/userfiles/file/49079845981.pdfIn PDF document text
- https://premiersuli.hu/files/files/segusazutilupi.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082dd36749e2---domesunezumuxiri.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ecaadbd4951---46953178321.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/pixegunodi.pdfIn PDF document text
- http://celiapopememorial.com/clients/4/45/45605e685ba8a3b32f56966823665796/File/saraki.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e67ce4b1c4a---61173729314.pdfIn PDF document text
- http://pro-elec.ru/ckfinder/userfiles/files/rimoduzediza.pdfIn PDF document text
- http://ride.hu/images/uploads/files/lidaxawokuxoxefiluburijet.pdfIn PDF document text
- http://szao-spb.ru/images/news/file/41110476024.pdfIn PDF document text
- http://asckhn.com/acskhn/userfiles/file/21552557625.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3c5081526---mofirumilukuvafagixovoli.pdfIn PDF document text
- http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/pemedabipoxeremenawenut.pdfIn PDF document text
- https://journeywithmypet.com/ckfinder/userfiles/files/rilikudolozidagarad.pdfIn PDF document text
- http://cdmatik.com/uploads/file/17537772424.pdfIn PDF document text
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607901a209da2---jimivotejelofakax.pdfIn PDF document text
- http://qataminational.com/uploaded_files/userfiles/files/62789312559.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/nibuzipevujavedapivofaj.pdfIn PDF document text
- http://chapelguild.com/images/usr/mojowadizoredurejez.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/f7635a4d05be607bdf2f64dbc2f09375/53504268265.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c72ee53067d---33454090421.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/n3qf9eumig89198r269mdn3km2/41135964631.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb231543e3---80273338577.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=redact+pdf+without+acrobatPDF 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_off0000e981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE981 | 17716 bytes |
SHA-256: d2de45e6ac1e0759e29bb8d709efccca58353f28df3dfb7ef0392c64497c9123 |
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font_01_sfnt_off0001176e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F85 | 10768 bytes |
SHA-256: 0a33aecb20ec3cde09ae92516d93caf6b18e0edeec6dd798a4408c904653c5a0 |
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