MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff1cd7fd78---vixojen.pdf In PDF document text
- http://dominant.name/userfiles/file/25380590214.pdfIn PDF document text
- https://creteotels.gr/FCKeditor/userimages/file/31298528610.pdfIn PDF document text
- http://ricarda-allegra.de/userfiles/file/22301431037.pdfIn PDF document text
- http://binarbaidrealestate.com/public_html/userfiles/file/kenowogesanoxob.pdfIn PDF document text
- http://szamosiszerviz.hu/feltoltott/files/30673699403.pdfIn PDF document text
- http://www.ashtralmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137de30ed3e2---79308103157.pdfIn PDF document text
- https://mackbeks.com/files/file/96087364249.pdfIn PDF document text
- http://komputerzagrosze.pl/userfiles/file/figixavapewaz.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161310857e6801---1588455193.pdfIn PDF document text
- http://adec-interiors.net/Uploads/file/sanexuwidorivenujezidux.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/91798203300.pdfIn PDF document text
- https://businessincasey.com.au/application/third_party/ckfinder/userfiles/files/ralusubejupepe.pdfIn PDF document text
- http://yarpb.ru/pic/userfile/bivom.pdfIn PDF document text
- https://thepainter.asia/upload/files/pegipugebevanif.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/vovuzogiruvovirirewos.pdfIn PDF document text
- https://wolfgang-photography.com/userfiles/files/41508431158.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/siziwivixikilepewerimitor.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/67849627166.pdfIn PDF document text
- http://ecohort.com/userfiles/files/41109897867.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=converter+ppt+to+pdf+free+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_off0000d508.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD508 | 17348 bytes |
SHA-256: e17b18e344584031c244de1c5b1d0989a9c3049d92198d0a0fbc7da4fd4ab8ea |
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font_01_sfnt_off000101d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101D3 | 10412 bytes |
SHA-256: 383ed6f7a8b0ee53d1420c3152e5986bd5a6a78d1c2ecf23feb1e9d99dbe6fa0 |
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font_02_sfnt_off000119a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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