MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate that this file is designed to act as a link farm. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa831e03c7---14307585541.pdf In PDF document text
- http://vers-ma.de/userfiles/file/81012299797.pdfIn PDF document text
- http://idealhca.com/admin/images/file/21540725307.pdfIn PDF document text
- http://como.gattinonimondodivacanze.it/themes/userfiles/files/29214074383.pdfIn PDF document text
- http://katyababash.com/images/uploads/file/61195968932.pdfIn PDF document text
- http://abwgulfport.com/uploads/files/40190992732.pdfIn PDF document text
- http://ecohort.com/userfiles/files/xegiwopegufuvutoxodefi.pdfIn PDF document text
- https://rotterdampools.com/contents/files/vubonureposasitisagarevo.pdfIn PDF document text
- http://stringquartet.biz/web/images/fck/file/28519562403.pdfIn PDF document text
- http://fernandopelosini.it/userfiles/files/gimupizobutabop.pdfIn PDF document text
- http://emanuelarombiarchitetto.eu/userfiles/files/47979840557.pdfIn PDF document text
- https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130769a29e86---31935573673.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/jewegar.pdfIn PDF document text
- https://charterboatdeliverance.com/uploads/files/zonoxijivofogefoxij.pdfIn PDF document text
- https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/6330573cdfbb78d07142ad3bebe170f5/92481942933.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/54950561808.pdfIn PDF document text
- http://aesg2edcv.handylover.com/upload/files/43014486330.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161306a1b91a2a---jitaguxowoza.pdfIn PDF document text
- http://aow.infogestnet.it/ckfinder/userfiles/files/98217434332.pdfIn PDF document text
- http://furnitura-syndicat.ru/ckeditor/ckfinder/core/connector/php/uploads/files/3502452125.pdfIn PDF document text
- http://jinruily.com/UploadFile/file/20210905010524941.pdfIn PDF document text
- http://hengfengpaper.com/filespath/files/20210902082706.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/rexuzokeketum.pdfIn PDF document text
- http://8njl.com/userfiles/files/wogodapasibumidizumixa.pdfIn PDF document text
- http://extrastyle.ee/ckfinder/userfiles/files/nifiwotunuvoliwana.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=master+english+subtitlesPDF 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_off0000da5d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA5D | 16452 bytes |
SHA-256: 4fbbce77645501d82c724c957b2cceaedee4d93a07dac0aaca5cf0e0b177930d |
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font_01_sfnt_off000104da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104DA | 10500 bytes |
SHA-256: b0f5f7caa9f028e6735431f8bf7f04ac92c6647fad8a7b113b5be2cc80189838 |
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font_02_sfnt_off00011ca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CA6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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