MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised WordPress installations or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of a 'download button' heuristic further supports the lure-based attack pattern. The ML classifier strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=livro+manual+de+hidr%C3%A1ulica+azevedo+netto+9+edi%C3%A7%C3%A3o+pdf PDF link annotation
- http://benjamin1908.com/clients/f/f4/f4560e3fe432b95d15e234f900dec36a/File/meriwuxaxileno.pdfIn PDF document text
- http://mamam.by/upload/File/file/52654543819.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607cb2fdd7e0f---25276820819.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608d406352a6a---50617932148.pdfIn PDF document text
- https://www.scilights.com/wp-content/plugins/super-forms/uploads/php/files/03732a138aa6be6a2f5841aeb68f32f9/77415523329.pdfIn PDF document text
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607d3a8cd5e0e---74915183526.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160707efbac398---vowifoxovosidasaxogapegi.pdfIn PDF document text
- http://18554080.com/userfiles/file/62462235194.pdfIn PDF document text
- https://actaviaserica.org/board/file/files/18664889532.pdfIn PDF document text
- https://davebakeragency.com/wp-content/plugins/super-forms/uploads/php/files/1f120c40ca7435b754ba27d598d312c7/38183656547.pdfIn PDF document text
- http://ahkjt.com/upfile/file/wifamefazuza.pdfIn PDF document text
- https://saraelv.no/wp-content/plugins/formcraft/file-upload/server/content/files/160874d76a5144---55283298725.pdfIn PDF document text
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16087fdb942eb0---77226959543.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/c4uk2hj5dturk4nf1g4kbkh77n/vezizu.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/ec909c33d3f7c23fae6295cc1b0e4ce1/10809248563.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/6a36285ead8ffaabaca5133c641be7c5/82955685317.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a628b594064---fetixorununukosituvoxe.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c06a45346---zofazosasixetexofedixiz.pdfIn PDF document text
- http://attlas.center/userfiles/file/famamisaxako.pdfIn PDF document text
- https://torgradio.ru/new/files/file/budiwemo.pdfIn PDF document text
- http://sushistoryus.com/uploads/files/55187081715.pdfIn PDF document text
- https://gabinetpro.pl/kosmetyczka/krakow/files/gesojikapusudira.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607dec299f4b9---vujolodapirawed.pdfIn PDF document text
- http://nhanvietgroup.com/demo/xay-dung-tnx/upload/files/79392208060.pdfIn PDF document text
- 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_off0000d70a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD70A | 11712 bytes |
SHA-256: e783d80566a3050b6d0d4aabb84d8bc2909d1ed3a6230ff8400466bdcd0d6380 |
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font_01_sfnt_off0000f1ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1AD | 19876 bytes |
SHA-256: f28ef97ca9d1b2ec8df611ac41262f6190557589b952bc14881ee86aa642ccc4 |
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font_02_sfnt_off0001227a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1227A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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