MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm for phishing or malware distribution. The document body was unreadable, but the heuristics strongly indicate a malicious link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c92257e772---fijivejatedufamubek.pdf In PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/17d40e50d416ea35d9def753d017df32/87907193911.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/1609272b5a9d4b---66742540696.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/kilike.pdfIn PDF document text
- http://mousike.it/img_ins/files/6663553491.pdfIn PDF document text
- http://klimagra.pl/images/wysiwyg_img/file/gibigudu.pdfIn PDF document text
- https://www.natursany.com//ckfinder/userfiles/files/42778202685.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb17be9f06---wazutirorixi.pdfIn PDF document text
- http://arcdesantmarti.com/biocop/Images/images-editor/file/71560362186.pdfIn PDF document text
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/007eeaf62bddaaf0b40aeeebc7bffa8b/24898258511.pdfIn PDF document text
- http://apvn.info/userfiles/file/47791297755.pdfIn PDF document text
- http://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/gopetuvibiwit.pdfIn PDF document text
- http://ajivikafinance.com/userfiles/file/6618530335.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a72102728c1---27299099767.pdfIn PDF document text
- http://sys-svinding.dk/userfiles/file/tofavasaki.pdfIn PDF document text
- https://ahreco.com/uploads/news_file/tadakifusowisixexov.pdfIn PDF document text
- http://mesotects.com/wp-content/plugins/formcraft/file-upload/server/content/files/160787d6938ac9---77942559780.pdfIn PDF document text
- https://bajrahrs.com/userfiles/file/fozepur.pdfIn PDF document text
- https://clubelsendero.com/img_pag/file/53033298023.pdfIn PDF document text
- http://studionegro.net/userfiles/files/wesose.pdfIn PDF document text
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/tvavehvlc7l1u1m2uvgnc2o6vu/jerofo.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088e1a6c1efc---60395407677.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/a45832e3f74bc54e6886439b24019131/wimonekesiruwoselabajebu.pdfIn PDF document text
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bad82334515---dalaxonoruk.pdfIn PDF document text
- https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/160773bed33131---15751007461.pdfIn PDF document text
- http://keacg.com/upload/files/religojivob.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=does+wells+fargo+bank+charge+for+incoming+wire+transfersPDF 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_off0000f51a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51A | 16992 bytes |
SHA-256: aef630daea8c99d60c7c024e14e77450ed4f209191a83db81c58e67fb3ec446b |
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font_01_sfnt_off000121c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000139db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139DB | 11104 bytes |
SHA-256: 9ce3e7356483b5304f4eb8fdef90e09d766eaf906f6a55b521d9aee521e3fdd8 |
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