MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with multiple URLs pointing to compromised WordPress sites that host further PDF files. This suggests a multi-stage attack designed to lure users into downloading malicious 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://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613024fe98e59---tavebizupelozedu.pdf In PDF document text
- http://nordicwalkingturak.hu/_user/file/98373308746.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613109e5338b1---kovat.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/fosik.pdfIn PDF document text
- http://oldadmin.k12cart.com/media/files/wigeged.pdfIn PDF document text
- http://achwvs.love-mrt.com/upload/files/sikimig.pdfIn PDF document text
- http://drkoopman.nl/cmsimages/file/zeridifuxarat.pdfIn PDF document text
- https://studioconcept-stand.com/fck_userfiles/file/55392728513.pdfIn PDF document text
- https://kontiko.com/ktkweb3/images/upload/files/5281634620.pdfIn PDF document text
- http://harnettcountyhba.com/userfiles/file/pikumot.pdfIn PDF document text
- http://qianlong99.org/ckfinder/userfiles/files/34145314779.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/32065100804.pdfIn PDF document text
- http://80tner.friend-match.com/upload/files/6223097777.pdfIn PDF document text
- http://ajarnveerapong.com/UserFiles/file/11082860221.pdfIn PDF document text
- https://duvarkagidierzincan.com/userfiles/file/jitekegazetazigud.pdfIn PDF document text
- https://saunadlaciebie.pl/userfiles/file/zulamijazexo.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/36479701527.pdfIn PDF document text
- http://hykylalumni.org/userfiles/vubozidisolewigowoda.pdfIn PDF document text
- http://grupomarsamo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613971ea9261c---55203185607.pdfIn PDF document text
- http://dienvietbac.com/uploads/files/zofolikupozedexupoweko.pdfIn PDF document text
- https://mashura.co/userfiles/files/lujuzekejelu.pdfIn PDF document text
- http://elskup.pl/images/assets/file/54081762864.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5107bd1a1---dibezezejujafevadivokekit.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=el+mito+del+eterno+retorno+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_off0000bd5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD5B | 16756 bytes |
SHA-256: 0da603214a0c86bb331c733d3edee1d32433c05887e7c2d8bf2d397b9bbb2a6a |
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font_01_sfnt_off0000e7c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFDF | 10312 bytes |
SHA-256: 875673d682998ca4645fbaa84d0457ac78ccaf79e58a44ae9dd54bbb2eae97c1 |
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