MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or are hosted on disposable domains, indicating a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://queure.ru/uplcv?utm_term=how+can+you+see+someone%27s+instagram+if+they+are+private PDF link annotation
- http://drivingtesttips.ie/fckeditor/userfiles/file/1001735754.pdfIn PDF document text
- https://sieuthimaycafe.vn/uploads/file/76733690538.pdfIn PDF document text
- http://cleversystems.ru/userfiles/file/gojonojuwesukojoromiwute.pdfIn PDF document text
- http://secureyun.cn/uploadfile/file///2021090719465995.pdfIn PDF document text
- http://mylodge-naoshima.com/images/blog/file/kafugorogugor.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/13721096929.pdfIn PDF document text
- http://nensi.si/upload/file/xidirovisoromiwokoban.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/161345b435e0b8---1652441528.pdfIn PDF document text
- http://transporteslaplata.com/imagenes_web/file/zinemik.pdfIn PDF document text
- https://sensiblemachines.com/ckfinder/core/connector/php/files/37174548871.pdfIn PDF document text
- https://maximatrimony.com/ckfinder/userfiles/files/67645535960.pdfIn PDF document text
- http://canoeing.by/pics/files/rowilinaj.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139a4d911f1d---52685969872.pdfIn PDF document text
- http://zekidilektekstil.com/images_upload/files/62090422603.pdfIn PDF document text
- https://tessuno.com/upload/files/613cc68d55649.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/5fe9e9b8b5338cb43331bcf4aa433a77/8285532694.pdfIn PDF document text
- http://apart1day.ru/file/terilijasarupitofojoj.pdfIn PDF document text
- https://shevian.com/images/file/wawujuke.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7497de3e---63552567001.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/visojukomukizutizulo.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/sebik.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/84677715238.pdfIn PDF document text
- http://turatabor.hu/media/21143084718.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/77533705186.pdfIn PDF document text
- 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_off0000f375.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF375 | 18248 bytes |
SHA-256: 7da0ec96b414ff3674148f18289bf07364a194d9572b8cc9e32a25848279fb26 |
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font_01_sfnt_off00012285.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12285 | 11272 bytes |
SHA-256: 7358700ca474e1c065857273bbf183001e9c4c5e95322d3d6a1dd5bdda7f0d3e |
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font_02_sfnt_off00013ced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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