MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains a link farm pointing to multiple compromised WordPress sites, likely intended to host and distribute further malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of numerous URLs suggest a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://archism.ru/uplcv?utm_term=unprotect+excel+document PDF link annotation
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071846a96a8b---9487693110.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/cbe9033fe2447a0402abbfbcd79905bc/31488941069.pdfIn PDF document text
- http://homespakistan.net/magzine/uploadfiles/file/33571929233.pdfIn PDF document text
- http://cottoneauto.it/userfiles/files/98709806120.pdfIn PDF document text
- http://centronegozi.com/public/72909594467.pdfIn PDF document text
- http://fritz-fahrlaender.ch/download/mopujobix.pdfIn PDF document text
- https://www.cibaospalaser.com/wp-content/plugins/super-forms/uploads/php/files/j62t0hf5reekir18th3a3gunaa/51462547400.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/m0bdn5c0tlm2aqnn13hdj1goof/84906686335.pdfIn PDF document text
- http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc33b4e251e---77285788241.pdfIn PDF document text
- http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c67dafe8bd4---fodojorigibufolil.pdfIn PDF document text
- https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3bfd8e9108c777569983fec54eccd4a/beponagutoxux.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a44488ad8a4---8603154719.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/75c4bd2bc1b9f503dd7f976cbee002bb/63564795298.pdfIn PDF document text
- http://erdivigado.hu/userkepek/file/64611974376.pdfIn PDF document text
- http://ct-tci.com/cttax/userfiles/files/fosakunodumefagafoti.pdfIn PDF document text
- http://hotelsandmartin.cz/files/file/divepikes.pdfIn PDF document text
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d489b9da1---funubozesutogadot.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/21131223556.pdfIn PDF document text
- https://anmoul.com/userfiles/file/suwikuvubaloxekobukipeded.pdfIn PDF document text
- http://reklama-v-sochi.com/ckfinder/userfiles/files/kabumevo.pdfIn PDF document text
- http://andlupa.com/userfiles/file/vugasa.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/nadazom.pdfIn PDF document text
- https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/02bb25012c1faaa17b66ff544d466d0a/63232901094.pdfIn PDF document text
- https://cleaner.pl/userfiles/file/pakugudebafubibigomakejaw.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/64b5a4954ce450727947f3f3fa8a7e43/30543162578.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_off0000e8a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8A0 | 10460 bytes |
SHA-256: 5de4a7cc7488f9a446095f6f58e42bf19c394e03ddb8f36c7fa2933853cf87f0 |
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font_01_sfnt_off00010057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10057 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011869.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11869 | 17088 bytes |
SHA-256: 750fbdb616be5239f2bfa64f938d4e770d860f9190e0a97470e02d7b46c36543 |
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