MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for executing malicious code within documents. Heuristics indicate this JavaScript is used to redirect to a link farm, which hosts multiple other PDFs. This suggests a phishing or malware distribution campaign, with the initial PDF acting as a lure. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://ageddfjtjgrade.pretty-match.com/upload/files/83323678469.pdf In PDF document text
- http://marchmontnews.com/imgs/file/14101959911.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/14322968046.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/60264609510.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/vedipixoziva.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///84666659159.pdfIn PDF document text
- http://navigator-nsk.ru/userfiles/file/50940284312.pdfIn PDF document text
- http://7sate.com/filespath/files/20210912231858.pdfIn PDF document text
- http://elsekmont.eu/userfiles/file/xosopus.pdfIn PDF document text
- https://baglab.pl/galeria/file/31432620465.pdfIn PDF document text
- https://sma-dfgg.org/site/admin/file/milos.pdfIn PDF document text
- http://morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138d12652a31---72495289292.pdfIn PDF document text
- https://rh-h1tapi-turbo.com/contents/files/91606659923.pdfIn PDF document text
- http://wcsps.com.tw/ckfinder/userfiles/files/10125401733.pdfIn PDF document text
- http://ceramicaartisticamarsalese.it/userfiles/files/98221764386.pdfIn PDF document text
- https://aglogistics-bo.net/userfiles/file/77765827256.pdfIn PDF document text
- https://posaonakosovu.com/ckfinder/userfiles/files/jotuwodonadutaka.pdfIn PDF document text
- http://inercial.es/uploads/files/kusabaleradomixexo.pdfIn PDF document text
- http://anael.fr/fckeditor/userfiles/file/winiwosawobafozepopub.pdfIn PDF document text
- http://kavernoklub.com/campannas/file/zaziramogazuzinowinago.pdfIn PDF document text
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/41707038000.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/11413590530.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/44007548137.pdfIn PDF document text
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/98329bbbc2fca94028c3a0a799d93337/lutifafifikapitabifowigo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=net+err_file_not_found+file+android_asset+www+index+htmlPDF 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_off0000b59e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB59E | 15128 bytes |
SHA-256: 4af82d670dc8a8aaf0d09c868d597ba92da8ee95a7d94af31a3cdca96f3a5080 |
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font_01_sfnt_off0000dc07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC07 | 10916 bytes |
SHA-256: 9902c47eef9510ea0955a4a7c3291e1f372df1196f04587801e6250f5dee0e89 |
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font_02_sfnt_off0000f52e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF52E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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