MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to compromised websites, many of which host other PDF files. This suggests a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to distributing further malicious content via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16117f2c3cf829---39260169368.pdf In PDF document text
- https://keiba-like.biz/js/ckfinder/userfiles/files/11094063913.pdfIn PDF document text
- http://csc0898.com/userfiles/file/20210727005431_2op74u.pdfIn PDF document text
- http://hakkabrothers.com/userfiles/file///38414468337.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d66fe9e2582---vebija.pdfIn PDF document text
- http://orderkiwicafe.com/uploads/files/68028976485.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1611d41649df36---ditirosujota.pdfIn PDF document text
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/lch0m1fgm9be8ei9k6sfghshg3/botedirig.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/fasenudisodupafam.pdfIn PDF document text
- http://boki.hu/editor_up/xotobukur.pdfIn PDF document text
- http://eraldocomo.it/userfiles/files/boxokexesonunubugusiduv.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/c8je8pvhenp7odfljqkb8v3tr5/wobanaton.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/54699285948.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16108a1e8766fe---69115680753.pdfIn PDF document text
- http://salondebellezaanamariaromero.es//ckfinder/userfiles/files/femilalaf.pdfIn PDF document text
- https://chmelo.hu/sites/default/files/file/bikipewujiwesifijo.pdfIn PDF document text
- https://telewebmarketing.com/FCKeditor/file/75010111131.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/86087111618.pdfIn PDF document text
- http://longarmquiltacademy.net/fckeditor/userfiles/file/tuberojejuboditizeba.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/1d572f774ba55a053c894c52a214c8af/46842128841.pdfIn PDF document text
- https://aquatim.ro/uploads/files/12890699049.pdfIn PDF document text
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/34237f876de30af155c31381e21ecb3b/16656076092.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=physics+notes+class+12+pdf+downloadPDF 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_off0000d669.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD669 | 17528 bytes |
SHA-256: d094ac8758a4ab0fc14486b518f1c8389d9163f6eec803dd40c4d86227015c46 |
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font_01_sfnt_off00010399.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10399 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011bb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB0 | 10992 bytes |
SHA-256: 3dacdb62158cc6499f875bd6083dc1d748016f00c173c0f2c4c590d9f8cf8f60 |
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