MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains embedded JavaScript and numerous links pointing to compromised websites, suggesting an attempt to redirect users to malicious content. The PDF structure and link farm heuristics indicate a deliberate effort to obscure the final destination and potentially evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 7
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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 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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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://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/b8p4r9iinen229a00s4rkaperh/jeremeduvepotorefud.pdf In PDF document text
- http://ondamarinarest.com/upload/files/ragoguwuwisix.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/79ebde9eb18761f2267fe8a61ef91de2/78313085778.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cefee67845---8288273821.pdfIn PDF document text
- http://on-video.com/movies/movie_data/file/29429648480.pdfIn PDF document text
- http://tverzhilservis.ru/foktver.ru/ckfinder/userfiles/files/46417629773.pdfIn PDF document text
- http://smartickgroup.com/userfiles/6907325354.pdfIn PDF document text
- http://superazs.ru/images/news/file/99319213151.pdfIn PDF document text
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1614c890896f68---bobafewavoran.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/27067102029.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/girenijesilelid.pdfIn PDF document text
- http://quimis.net/js/ckfinder/userfiles/files/nezariji.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/eeb7211bd033406877f17ce914634e7b/lezux.pdfIn PDF document text
- https://jackinthegym.com/uploads/files/202109071300127353.pdfIn PDF document text
- http://metrocars.london/survey/userfiles/files/zatafevuxuzuwa.pdfIn PDF document text
- https://ajansnigde.com/resimler/files/48920247605.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/93142040406.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/nesamubefo.pdfIn PDF document text
- http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/61239700000.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/kilufigobujapegigirotul.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a3e1f6421e235aa234427b1dcb2b0939/tupabozimijukamoxewisoma.pdfIn PDF document text
- https://alteanetworks.fr/img/file/jiwupidagi.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/83300755702.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=good+boxing+streaming+sitesPDF 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_off0000b471.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB471 | 10828 bytes |
SHA-256: 5e92ee06f8efd6ebf17e0f116f8e42f73c8a5d90878e1e3ae6cebfe92c88d254 |
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font_01_sfnt_off0000cd41.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD41 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE553 | 14808 bytes |
SHA-256: 0649810ef578a33c3a33a2af2e0b0811e1d35a46b6cc621da311d0763399566f |
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