MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 6
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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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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://portaldo.eu/contenuti/upload/file/banenalixerufita.pdf In PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/16136394d0f4bd---binoxegobadazopexubuziku.pdfIn PDF document text
- http://axiomestates.com/userfiles/file/musedajimabimumorovuruk.pdfIn PDF document text
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614056d994a37---84152300252.pdfIn PDF document text
- https://sskundal.com/userfiles/file/nazoxuvoro.pdfIn PDF document text
- http://kingalbertltd.com/uploadedfiles/file/64207922272.pdfIn PDF document text
- http://madmojo.com/fckupload/file/zuvofivadezonoxowixeb.pdfIn PDF document text
- https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/1c0c772922913e9ebadaccac80cf46af/pilufegu.pdfIn PDF document text
- https://rijst.nu/userfiles/file/58483401968.pdfIn PDF document text
- http://velo.hu/UserFiles/file/kelorasumu.pdfIn PDF document text
- http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/35314638562.pdfIn PDF document text
- https://www.babetravelling.com/ckfinder/userfiles2/files/87289548968.pdfIn PDF document text
- http://a-xian-coat.com/uploads/files/202109131549599305.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140ffa2b0844---90661515976.pdfIn PDF document text
- http://currycornersugarland.com/admin/images/file/tozos.pdfIn PDF document text
- https://cornerstonelaw.eu/userfiles/file/digepebeliborujogowugoro.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/36507574396.pdfIn PDF document text
- http://fixafilm.se/userfiles/file/kepotolaragifujunuvef.pdfIn PDF document text
- http://ingegnasrl.com/userfiles/files/33299997007.pdfIn PDF document text
- https://lalicorne-hotel.com/userfiles/file/wivaje.pdfIn PDF document text
- http://evohome.pl/userfiles/file/16733162077.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f526abecd8---38677489044.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=fifty+shades+of+grey+full+movie+with+subtitlesPDF 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_off0000dff8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f80a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80A | 18480 bytes |
SHA-256: d032301454861ca07137d16b82bbc984ddd813f3d04fd3726e568c5bc9cb42c5 |
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font_02_sfnt_off0001287f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1287F | 11180 bytes |
SHA-256: 31702d265ea5da1c4be6f46de5205b93d75e050cc16ef156f699957b7b2549b7 |
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