MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external URIs, many of which point to compromised CMS upload directories, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://archism.ru/uplcv?utm_term=jumanji+welcome+to+the+jungle+watch+full+movie PDF link annotation
- http://dlastudenta.org/Upload/file/93495479657.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210906032714.pdfIn PDF document text
- http://www.udelimpa.es/ckfinder/userfiles/files/vanoji.pdfIn PDF document text
- http://lagrupacio.cat/file/modenugisekozo.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/xukofepenibitokixufoboral.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161377381031bf---zizalopixepifepan.pdfIn PDF document text
- https://vcubusinesssolutions.com/userfiles/file/72984792386.pdfIn PDF document text
- https://bodykneadstherapy.com.au/ckfinder/userfiles/files/waperikeriresovefakuf.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-22/75469abb95b35272f29ec70f9ad134f6.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/kodukazilomenano.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/masuxudak.pdfIn PDF document text
- http://alternativefitness.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161482f5076b27---pobewawulegefewut.pdfIn PDF document text
- http://canadianartistic.com/userfiles/file/vamimajutofopesedul.pdfIn PDF document text
- http://silesiacapital.eu/data/file/winagenuli.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/matakamajobiwovuma.pdfIn PDF document text
- http://talk200.com/admin/admin/uploadfiles/file/5969581008.pdfIn PDF document text
- http://godsownproperties.com/userfiles/file/xeladezulezavezitutetum.pdfIn PDF document text
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/ee3df2a9702eb316924524a58ded068e/86532748528.pdfIn PDF document text
- http://przychodnia-felinskiego.pl/uploads/editor/file/xoxupasadixalowuroxifuxa.pdfIn PDF document text
- http://medicamarsala.it/userfiles/files/86867764529.pdfIn PDF document text
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/o0bousu7kijr2ii71d37eogsl6/64089529439.pdfIn PDF document text
- https://annekienlen.fr/imagesfile/pisebinopugu.pdfIn PDF document text
- http://jlsxjy.com/right/UploadFile/file///2021090218490173499.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_off0000b2d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2D0 | 10888 bytes |
SHA-256: d6e678616d8561dc15ec03100da9f18d2d5841791730f365378c835a33764577 |
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font_01_sfnt_off0000cbd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD3 | 15252 bytes |
SHA-256: a6cdad73ec33423d0d4ddcbb866998bd9633e97a034233f590aa4a795c680a51 |
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font_02_sfnt_off0000f256.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF256 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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