MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent. The primary function appears to be acting as a link farm to distribute traffic to potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/5c8963cb4d64457d7f1a77e08bb99def/mopuvanobepukedajag.pdf In PDF document text
- https://prevodi-plovdiv.com/userfiles/file/dejupoxotasaromerud.pdfIn PDF document text
- https://www.pessin-location.fr/ckfinder/userfiles/files/babuzetulenaboda.pdfIn PDF document text
- http://theclubburger.com/uploads/files/48498542715.pdfIn PDF document text
- http://morethancars.nl/uploads/edytor/file/63166002334.pdfIn PDF document text
- https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/99d0a272664dd553b6eff677ce3532d0/tokagetej.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/dfe2e5c6d116b8dc67555c49295a6b80/ravexomegixudupuruwo.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/pawebonarew.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/erkfkb7ahg10a1masifv3of6i5/61723032106.pdfIn PDF document text
- http://www.aluvascientific.com/UserFiles/file/nevilorupufor.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/hvdoafsb30ssrqa9r553tkprat/72479275712.pdfIn PDF document text
- https://msvadba.ru/files/file/relolel.pdfIn PDF document text
- http://tycoonmedical.com/userfiles/file/82300189371.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/1595042590.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/39077961794.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ofhuvt8s3phpqs8soqkibp9kdf/jajemijifadozoxuze.pdfIn PDF document text
- http://peter-crooks.com/userfiles/file/96863639752.pdfIn PDF document text
- https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/56476796d535b50611970e87abdf8af3/rilusopefum.pdfIn PDF document text
- https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/87a0c79aeeea07169f7a5939b81d9620/4670325562.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/9596tmlamiug76lq3ov1934eo7/16777082555.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=continuity+theory+of+aging+pdfPDF 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_off0000c56d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD84 | 10808 bytes |
SHA-256: 7126e08be8c0f12acdfba66b1d3f4bc283c6919ea62756e11b2542962b8af3e6 |
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font_02_sfnt_off0000f638.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF638 | 17728 bytes |
SHA-256: eef1426f32ad4d9973c03e5bc67ef31c8123b01e184bc68835ff8fc08ac6c017 |
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