MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are algorithmically generated and hosted on disposable domains, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic point towards a strategy of redirecting users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://www.morrisjones.co.uk/EditorImages/file/4871635984.pdf In PDF document text
- http://montagnobozzone.it/userfiles/files/46587244423.pdfIn PDF document text
- http://turbotechnik24.de/userfiles/file/lerosixobavamanefomu.pdfIn PDF document text
- http://onlinevay.com/upload/files/66935634197.pdfIn PDF document text
- http://njbeihang.com/uploadfile/file///2021090118273573.pdfIn PDF document text
- https://mdteam.se/ckfinder/userfiles/files/wonefidemefi.pdfIn PDF document text
- http://shepardinteriordesign.com/rw/upload/file/wakubamunefupazezegizur.pdfIn PDF document text
- http://studiocalcinoni.com/userfiles/files/gexajitumanukuv.pdfIn PDF document text
- https://fidelishospice.com/ckfinder/userfiles/files/16121441357.pdfIn PDF document text
- http://studiopol.com/userfiles/files/vulinebobebazokipi.pdfIn PDF document text
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1613c38e70c028---wivuwidikogifesovagiser.pdfIn PDF document text
- http://goldendoodlesofthesierranevadas.com/userfiles/file/gejopelobofonubeg.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/muborewapuxijoxibejad.pdfIn PDF document text
- https://saint-florentin.charcutier-traiteur.fr/ckfinder/userfiles/files/2055153234.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133b7b25313e---49759510782.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/66087617582.pdfIn PDF document text
- http://laiyi-art.com/userfiles/file/18800970605.pdfIn PDF document text
- http://qwerty.pl/_data/file/72267049013.pdfIn PDF document text
- http://etalentlink.com/uploadfile/file///2021090809383047.pdfIn PDF document text
- http://dtyxbpzx.com/filespath/files/20210910033409.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/bujimabimuzigob.pdfIn PDF document text
- http://trevelci.ru/ckfinder/userfiles/files/nipegoke.pdfIn PDF document text
- http://esangsok.com/upfile/files/77647178217.pdfIn PDF document text
- http://architetturaurbanistica.it/userfiles/files/47017384637.pdfIn PDF document text
- http://st-communications.com/ckfinder/userfiles/files/rezabolugidakozos.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=android+calendar+month+view+examplePDF 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_off0000b181.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB181 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c993.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC993 | 16964 bytes |
SHA-256: f3e4f8c50a6abdb3305ede924f53994eac8fbafc73da19f510d58a08f0543f07 |
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font_02_sfnt_off0000f3c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3C1 | 10844 bytes |
SHA-256: d4588b7e1fc2532eca265060b57d5c979d7b6c469bb0361cb62917979bcee8cf |
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