MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on disposable domains or compromised WordPress installations, suggesting a phishing or scam campaign. The PDF's structure and embedded URLs point towards a tactic of luring users to malicious sites under the guise of providing access to 'introduction to philosophy books'.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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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://philabc.ru/uplcv?utm_term=introduction+to+philosophy+books+pdf PDF link annotation
- http://vitalchurchesinstitute.com/files/file/lazosavimi.pdfIn PDF document text
- https://beruanglucu.com/contents//files/rotunitoziwofelubilozedig.pdfIn PDF document text
- http://arcenevents.nl/site/upload/files/83601841483.pdfIn PDF document text
- http://eksan-ltd.com/userfiles/file/jazilukomumenina.pdfIn PDF document text
- https://vegas-shop.net/uploads/files/39426570698.pdfIn PDF document text
- http://plnjl.com/userfiles/files/170089264.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/83ff8bf2ee1925d710706a160608f421/72974815000.pdfIn PDF document text
- http://southport1969.com/clients/861680/File/28137956883.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d4312a472---85861976600.pdfIn PDF document text
- http://handsonmontessoripk.com/userfiles/files/jadidisatuf.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071bafa3d313---lasowuk.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/filuxorizejovegerevosoki.pdfIn PDF document text
- https://tckontrola.hr/files/mujetim.pdfIn PDF document text
- http://mastervin.ru/files/file/54561515173.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/420ed6e5af7ab5df1c536036c0cd1126/wewufegalukusixoj.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210801_191603.pdfIn PDF document text
- http://asiavent.com/UserFiles/file///xurepidosufabuzanawu.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3ccd19a38---91710306275.pdfIn PDF document text
- http://rotarylaspalmas.org/documentos/file/11073289152.pdfIn PDF document text
- https://marbletreasures.com/uploads/image/files/58338328832.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/emg1fgq3uu2dj4rj0ohtujvcnr/765814221.pdfIn PDF document text
- http://pobierzplik.pl/uploads/files/73791528927.pdfIn PDF document text
- 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_off0000e3e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3E5 | 17848 bytes |
SHA-256: 6e717f98acececa8b1962560d601e3b84ea1ec925a4e1fad6d40ce8f00b9d898 |
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font_01_sfnt_off00011255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11255 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012a6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A6C | 10820 bytes |
SHA-256: 713680f7c6a6b18521630f8e17e96682ca956759f3c6009e61ceaf4e8148511b |
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