MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to direct users to potentially malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the extensive use of external links suggests a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 5
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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://bibliothequeanglaise.org/bibang/docs/pisoloxopojinokosupakudif.pdf
- http://kencert.vn/uploads/image/files/mujim.pdf
- https://grandplaza.bg/uploads/assets/file/40394672872.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/16103127838355---sixemazitoxumeb.pdf
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe04379963---wakeretexew.pdf
- http://wang023spa.com/userfiles/202108file/2021080801501870554.pdf
- http://msinziniering.com/userfiles/file/69592480472.pdf
- http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b06784cb509---73832696143.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/1faa80i26ipp55j6de2177mfo0/6888326476.pdf
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/55ba0e94edf2c260a2bc15bc0f446704/92071553742.pdf
- http://tuzvedo.hu/elemek/file/woziperiguluno.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609d18847909f---jiruliror.pdf
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d94c76bc988---6805037590.pdf
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/gejch1u16rsgu1eelsuo2sesm7/tekusutugitinikizivifeped.pdf
- https://amd-export.com/site/upload/file/xotova.pdf
- https://carea2plus.com/wp-content/plugins/super-forms/uploads/php/files/ad0b0c9fbe9bc54e7a8eee06887c4047/fosugat.pdf
- http://datavincity.com/uploads/ckfinder/files/nivagamagusiwavowe.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/4bf9f187eafdca2904eab8cc6f74d1f6/gixodosekidiwutavedi.pdf
- https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/16106a5a1eec6b---xudinezitalimolikasarez.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/hjn9b83dskps6d9h943fjtvrgh/wubebirisijefizemuluxuner.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b37862d281---5011176687.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=lector+de+texto+pdf+en+espa%C3%B1ol
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/58be8ffef087c35216b6794c450e3f85/35886525260.pdf
- http://pro.ovh.net/~tribuene/images/banque/file/66571255701.pdf
- 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_off0000bcd7.bin8d5392a73b10d3c85111bb7c3986ebd9234712e6e3acd86b56208233bfee4767 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCD7 | 17400 bytes |
font_01_sfnt_off0000e7f8.bin5d4f420053f58bd504b4fbed8815f343ae9e23162b4dd11dc72ef7fbd37d0e8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F8 | 10784 bytes |
font_02_sfnt_off000100b3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100B3 | 16792 bytes |
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