MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML and ClamAV as malicious, with high confidence. It contains embedded JavaScript and a large number of external URIs, many of which point to potentially disposable domains, indicating a phishing or malware distribution attempt. The presence of embedded JavaScript (T1059.007) suggests an attempt to execute malicious code within the PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://mhreng.com/userfiles/file/26475133751.pdf In PDF document text
- http://splhardware.com/UploadFile/file/2021090109325373499.pdfIn PDF document text
- http://www.omt.ntou.edu.tw/ckfinder/userfiles/files/36107472021.pdfIn PDF document text
- https://bacninhonline.com/webroot/img/files/81166401794.pdfIn PDF document text
- http://elistaprezentow.pl/userfiles/file/40589241643.pdfIn PDF document text
- http://insfilings.com/skyzone_classic/upload/files/14993547410.pdfIn PDF document text
- http://kasintorn.com/images/upload/files/gamafisigojoz.pdfIn PDF document text
- https://rippa.pt/files/file/64627057529.pdfIn PDF document text
- http://secondhandgraphics.com/usrfiles/file/lifasunawefunojesilawi.pdfIn PDF document text
- https://planningpvedh.nl/ckfinder/userfiles/files/kutufomofigixipupesiwi.pdfIn PDF document text
- https://imahima.xyz/js/ckfinder/userfiles/files/74912077071.pdfIn PDF document text
- http://aczelzalog.hu/tmp/wiselasokadoxamaz.pdfIn PDF document text
- http://onnetsolution.in/userfiles/file/rojepopujagesuta.pdfIn PDF document text
- https://psfund.org/public/uploads/files/cms_files/7735371448.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/0dkiu8e1i0ubuc0uf9ps7j6bb5/wasovowexidufomugarivasu.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/rasenizojojusaledeku.pdfIn PDF document text
- https://etravelbox.com/scgtest/team-explore/uploads/files/lipejavov.pdfIn PDF document text
- http://n2nnetworks.com/files/others/pugefegibutaz.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a505977ba---wetujebuvowinagakul.pdfIn PDF document text
- http://sportingclubalbinia.eu/userfiles/files/nusigifunejegojeletijik.pdfIn PDF document text
- http://totoquynhhuong.com/upload/files/fosutabolagepane.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/gixidiruvitofipafubibepo.pdfIn PDF document text
- http://agrocare.hu/ckfinder/userfiles/files/panagezebabarenona.pdfIn PDF document text
- http://eau-msu.ru/ckfinder/userfiles/files/58751009918.pdfIn PDF document text
- http://baschin-heizung.de/meineBilderAlbertGrundschule/file/wujibozoxuze.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=tintin+and+the+lake+of+sharks+pdfPDF 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_off0000b14c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB14C | 18008 bytes |
SHA-256: a8457454bf4c4cdee1d901267df5302a87b21f35733cfde437196b629a7c3011 |
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font_01_sfnt_off0000dde3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f5fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FA | 10648 bytes |
SHA-256: 5fec36f5ada56f35ade03cde4abe52e3e60c8c20cc08cc2e31cfcbb5adb190e7 |
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