MALICIOUS
66
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to a link farm hosted on disposable domains, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious. The presence of these links suggests an attempt to redirect users to potentially malicious content or phishing sites, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 4
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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 http://jayeonrak.com/upfile_editor/2021/files/jobitowijemu.pdf In PDF document text
- http://opusincertum.it/userfiles/files/42362115735.pdfIn PDF document text
- http://cityclick.it/userfiles/files/30749105220.pdfIn PDF document text
- https://afgventuregroup.com/cfiles/file/16166670656.pdfIn PDF document text
- https://granitabrasive.com/editor_up/40001683305.pdfIn PDF document text
- http://kco.su/userfiles/file/madatuk.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/fazoluzapuguvofiwi.pdfIn PDF document text
- http://sziazsauto.com/uploads/files/95485897648.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021091008553989628.pdfIn PDF document text
- https://ecoquimica.cl/dinamicos/uploads/file/77106582611.pdfIn PDF document text
- http://enovosti.info/ckfinder/userfiles/files/75774186469.pdfIn PDF document text
- http://kxzyjy.com/CKEdit/upload/files/70230936839.pdfIn PDF document text
- http://pro-group.ru/userfiles/files/14011772600.pdfIn PDF document text
- http://xn----7sbezcba9a5aggb3j.xn--p1ai/ckfinder/userfiles/files/20632565770.pdfIn PDF document text
- http://derp74.fooden.com/UserFiles/files/35352423576.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/66693148086.pdfIn PDF document text
- http://fese.in/ienupdimages/images/files/notasejukiso.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/zejuxezotalubute.pdfIn PDF document text
- https://www.cifphosteleriayturismo.es/ckfinder/userfiles/files/nomaw.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613221b5437f7---fozegajobezomizirofom.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134aa27e9403---43050396675.pdfIn PDF document text
- https://nullemont.fr/nullemont/ckfinder/userfiles/files/51720364894.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/77732608729.pdfIn PDF document text
- https://nedimgame.com/calisma2/files/uploads/96978307725.pdfIn PDF document text
- https://yodishit.com/uploads/userfiles/file/68489667671.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/36827429877.pdfIn PDF document text
- http://getwealthythisyear.com/ckfinder/userfiles/files/5890752978.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=best+android+news+app+2021PDF 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_off0000bd9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD9E | 16728 bytes |
SHA-256: 24895c7fdd4ff27ec6ee46e268381590ac1b7458422f94cf8936d77d444dd380 |
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font_01_sfnt_off0000e8d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8D6 | 10772 bytes |
SHA-256: a93353f1d7993f5d281d993ae77d43ee35535869718ce540cbe7f2d12f5678b5 |
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font_02_sfnt_off000101f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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