MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories. The ML classifier strongly indicates maliciousness, and the overall structure suggests a link farm designed to redirect users to potentially malicious content. While no scripts were extracted, the heuristic firings and URL analysis point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://evpersoneli.net/ev-personeli/file/5133439967.pdf In PDF document text
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bc30cc58fe0---xixejenumipimavuluvimibul.pdfIn PDF document text
- http://chatsworth72.com/clients/5/53/532ec3c8dc0e95779814939736d4df6d/File/mejelunego.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210703072029.pdfIn PDF document text
- http://brookhavenclassof1967.com/clients/0/0c/0ca802fc87877f8c548ddf85495caeb2/File/pipave.pdfIn PDF document text
- http://maxtarget.by/ckfinder/userfiles/files/niredupomumozejagesemut.pdfIn PDF document text
- http://sashtraayurveda.com/ckfinder/userfiles/files/18772395161.pdfIn PDF document text
- http://sunnysidehighschoolclassof59.com/clients/867562/File/88410676760.pdfIn PDF document text
- https://trellisdundee.com/wp-content/plugins/super-forms/uploads/php/files/b29195f8f8cbe6a9cfcc0b27ad8bb0bc/vepakux.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/xawalitopireno.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/uptj1vo4p6c6uqur8ko5mg8fpc/48816520161.pdfIn PDF document text
- https://aawyx.com/sites/default/imageuser/file/togikefupiguperakaku.pdfIn PDF document text
- http://kapsalonindex.nl/images/uploads/19568827477.pdfIn PDF document text
- http://brightwayconsultancyservices.com/userfiles/file/zetuzalelujox.pdfIn PDF document text
- http://samtekelektrik.com/files/binolafavigizokujatoji.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/21bba62995c434ead92377fe84c64c03/86279977965.pdfIn PDF document text
- http://bluecars.pl/userfiles/file/17882650385.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/20au3psjij24kqdq2aenvaqfv7/12712759756.pdfIn PDF document text
- https://myveolife.com/wp-content/plugins/super-forms/uploads/php/files/4cedb5340aaf57cfaafa84d3814d1ee0/folewurufegezajosa.pdfIn PDF document text
- https://study4student.com/cache/fck_files/file/sujetalisivorejaz.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/ec6bc8097101fc29e06e532acf95c159/42787048640.pdfIn PDF document text
- http://artgraf24.pl/userfiles/file/supejasinotikasopisen.pdfIn PDF document text
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/c6003297a2eaa27654d82b3e8fe5beab/68642704058.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=jesus+mi+fiel+amigo+letra+yolanda+y+deboraPDF 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_off0000bba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d3b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3B9 | 11040 bytes |
SHA-256: 7202e2145e28de30b077f48471a2ab4783132bf59b338392f900173e23cb9886 |
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font_02_sfnt_off0000ed3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED3B | 16800 bytes |
SHA-256: 168a62d89ee969ac50484f63a0f7a0a8ca66312f1e31862a40f08ee5d3941af3 |
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