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 disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs suggests an attempt to lead the user to a malicious site for further exploitation. No scripts were extracted, and the document body was unreadable.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://hostsolutions.ro/app/webroot/files/userfiles/files/bupenad.pdf In PDF document text
- https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607503347a388---26772127625.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/58649435196.pdfIn PDF document text
- http://glotecgh.com/upload/editor/file/ritekori.pdfIn PDF document text
- https://theatresaucinema.fr/uploads/file/zanixu.pdfIn PDF document text
- http://modern-pro.ru/files/file/xizategupawuvebopudimut.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/biuodmfj6p91u006ooalsvkje0/91557431375.pdfIn PDF document text
- http://studioaba.net/userfiles/files/6249597501.pdfIn PDF document text
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ad91c7a4214---10084860401.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/guzazakogidetitojano.pdfIn PDF document text
- https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/fr6akfbar31k1tn9pa9u356r4e/kujazarevatixu.pdfIn PDF document text
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a42dbfe8254---99951275693.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6265b4361---91279854567.pdfIn PDF document text
- http://berallebags.com/UploadFiles/FCKeditor/20210510122828.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/32148382375.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa30c6d43f---zefulosi.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0bdc67a0e---52475157022.pdfIn PDF document text
- https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608060ebb8b54---33104719628.pdfIn PDF document text
- http://cdmvt.cz/sites/default/files/zevebogijopone.pdfIn PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/dcdee8960c4c9c3e1664038125de4bb4/jirezafifegivebexegakuja.pdfIn PDF document text
- http://ersatzmonitor.de/userfiles/file/97498666679.pdfIn PDF document text
- http://fly.no1-yes.com/userfiles/file/tujogakuwirunuvobivarizum.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210623_B63C1E50BFA1F60A.pdfIn PDF document text
- https://apoiotelecom.com/imagens/img_fckeditor/file/xexolewasupovosufevo.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/e0e0400dc0cb8564e6d529ea936b836d/jimumejize.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=mood+remix+song+downloadPDF 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_off0000f66d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF66D | 17056 bytes |
SHA-256: 80e1b6110b6eb2e83522b9f9e8f022cfe8a035dcbd3559e552f88c253da2f94d |
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font_01_sfnt_off000122bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122BC | 10676 bytes |
SHA-256: fcaf9cb6f1aa4437b0e02cf1535b6b367a685c2f77c95e2652427998d78357d8 |
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font_02_sfnt_off00013b05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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