MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload directories, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of link farms on disposable hosting further supports a malicious purpose, likely to redirect users to further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9769
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://sssmri.com/ckfinder/userfiles/files/56274459107.pdf In PDF document text
- http://akssert.com/userfiles/files/52244138391.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/397a41841cbc9aab152cc73f313eac5f/39350292265.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b75e2ca2988---15356271055.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/sorobulomilubes.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/afa3c7b255186c9a25774b9e6dead502/takeb.pdfIn PDF document text
- http://ylpqzl.com/ckfinder/userfiles/files/66866347883.pdfIn PDF document text
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/16078881cd9f2d---41856996782.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/3d86582b7bc82bbb5880fbc264fcac36/67924875320.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/b037c249584179d61afead671526ba55/88147232711.pdfIn PDF document text
- https://nenanhduong.vn/Upload/files/20994144633.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/e40f747ea5c24bfab94fb948f885555f/fubizikef.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/8d0bd0b4e1f63bda2bc588c954b9c39a/kugigalosufupebidirepex.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608184951eef5---5648927485.pdfIn PDF document text
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/e05152c4c630d94156c7312c69ffa567/78438451119.pdfIn PDF document text
- https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/5adefvmg7ncfsns31ii0bi7bc6/seretigu.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c49b4f775---lakurazijox.pdfIn PDF document text
- http://t-p-fortune.com/userfiles/file/70878072098.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/cecfb41521f2b7b5500fd0cd313b821a/galenurovepufelopuza.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1607af4ba8603a---97511571761.pdfIn PDF document text
- http://mhspartan79.com/clients/9/97/97d0d0788ec4d6723ba7be3cd58769e3/File/89891731255.pdfIn PDF document text
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/ddee72d6776c991c1770b02a6c4a6f52/nerisawilalezuzipe.pdfIn PDF document text
- https://burkina-businessschool.com/business_school/uploads/file/zibiwi.pdfIn PDF document text
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/2b53611857b096fd044d55ec30f58906/56840440152.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/kre163d2k9gji6iluemg3llfph/56726508872.pdfIn PDF document text
- https://bdcomunicazione.it/file/73570843720.pdfIn PDF document text
- http://volamtuyetthe.com/userfiles/file/zovogupig.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=before+after+cssPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f605.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF605 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010e1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1C | 10140 bytes |
SHA-256: 02f9e5f5835c70692c94b035575452ab1a33530ca5f04dad5a727a2c6e3cdb52 |
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font_02_sfnt_off000124f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F1 | 19000 bytes |
SHA-256: 8f981390dfe738125cd1fd52490141e2dafad92b79d9a301fa37f1ad175235c4 |
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font_03_sfnt_off0001568a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1568A | 16516 bytes |
SHA-256: 4da85b064d181d3385924401c6fe7c4d72a675eb2a256aca3e30ee78e7eedca4 |
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