MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as containing a link farm, with several links pointing to compromised WordPress upload directories. The ML classifier and ClamAV also identified it as malicious, specifically as a phishing trojan. The document body is heavily obfuscated and appears to be non-readable content generated by wkhtmltopdf, suggesting the primary function is to host malicious links rather than deliver readable content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://riolospettacoli.it/filesUploads/file/30204635609.pdf In PDF document text
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/0399uk1vmt9kup015921js16v0/50960251579.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/n3d15h83u3bc4if8c4pig055o3/kiruf.pdfIn PDF document text
- http://porpora.biz/imagenes/imagenes_contenidos///64424258582.pdfIn PDF document text
- https://roofmed.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607b7e499725a---48154115211.pdfIn PDF document text
- http://av72-reklama.ru/userfiles/file/1627413136a6aa97964a8139a1356.pdfIn PDF document text
- https://melz-feu.ru/upload/zizekebitelatatejep.pdfIn PDF document text
- http://prattsofdouds.com/clients/d/d8/d85aab9f4bcbae69c8358f7a9990a0b1/File/konaki.pdfIn PDF document text
- http://meteosputnik.ru/userfiles/file/8479978535.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaff00ceb73---23647544350.pdfIn PDF document text
- https://denimder.org/resimler/files/juvoxuzokovenanun.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608ff886ee340---lizapujewurawibufuvu.pdfIn PDF document text
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/a6d387f009d282aea2eafaa8763b342f/83006605897.pdfIn PDF document text
- http://kiuruvedenlukio.fi/tiedostot/file/71501034510.pdfIn PDF document text
- http://nandishoverseas.com/UserFiles/File/8769481584.pdfIn PDF document text
- http://letsbelegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/1918541438.pdfIn PDF document text
- https://fzclicks.com/demo/files/editor/file/vetuk.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/920ac6d9cfc5406bdc6f99c6c6290085/demanewavatofematekofepu.pdfIn PDF document text
- https://52fantasies.com/home/holly/public_html/ckfinder/userfiles/files/tenikobonaz.pdfIn PDF document text
- http://marinda.ru/pics/images/file/68913888577.pdfIn PDF document text
- http://sattosushi.com/uploads/files/zogagipuwopuluwapi.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0666c77b84---mixuk.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861029a07bf---92988537695.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+find+coordinates+on+apple+mapsPDF 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_off0000ebec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBEC | 16924 bytes |
SHA-256: 0b025f9cb45e9c51b6825ba9d8f17a1d3f851307f80b3ca733179490d6afe77e |
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font_01_sfnt_off0001185c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1185C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013073.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13073 | 10860 bytes |
SHA-256: 45e4fa2f53dc721eb9c9fc81ab4912c6d6fed580f3d153789205e327dbbe9412 |
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