MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly indicate a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://archism.ru/uplcv?utm_term=three+to+the+power+of+8 PDF link annotation
- https://lifecareproduct.in/ckfinder/userfiles/files/sazezedabulexurem.pdfIn PDF document text
- http://mediaworld.pro/ckfinder/userfiles/files/71015728636.pdfIn PDF document text
- http://greenbiotech.vn/uploads/userfiles/file/kaxizozeluramimozaxutat.pdfIn PDF document text
- https://cargobull.cz/res/file/fetuxolikuzojiginuwoxeli.pdfIn PDF document text
- https://daquin-ferriere.fr/userfiles/file/76955398434.pdfIn PDF document text
- https://ipekyolumedya.com/resim_galeri/file/nebukib.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/a0f49263ddfa88276ceb31867694d763/83456922972.pdfIn PDF document text
- https://cesiedizioni.com/userfiles/file/82196940513.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/39ea2b45b0f48245a33c3a4e1f043001/5249189193.pdfIn PDF document text
- https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/jujuxodaruvazegaropum.pdfIn PDF document text
- https://pernambucoimortal.com/imagens/files/lonubulonitenezaw.pdfIn PDF document text
- http://hissekurban.com/resimler/files/xiradususunogamij.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161397e1a64eb7---gedesikanuluj.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/wuxutijubukigosapikada.pdfIn PDF document text
- http://ilovehikari.com/uploads/files/nobelogena.pdfIn PDF document text
- http://kjphotocon.org/data/userfiles/files/62536823384.pdfIn PDF document text
- http://bbfrontedelmare.com/userfiles/files/winujerizagazujojuse.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/603b4a3fe6996f285f16f6f65a885db7/fozadudedokixasejusitim.pdfIn PDF document text
- http://goldendazzle.com/upload/quangtri/files/35544145957.pdfIn PDF document text
- http://sevenseahotel.com/uploads/images/files/57622589155.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/51743100122.pdfIn PDF document text
- http://unseretochter.ch/images/file/44450731700.pdfIn PDF document text
- http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148c1e2a2cea---82405635104.pdfIn PDF document text
- http://a-pluset.com/userfiles/54649423548.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_off0000d388.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD388 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB9F | 10140 bytes |
SHA-256: a4845e1b809a09856baa2c407f89ceaa3beeaafb1415aeff03563cebbd29a4e8 |
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font_02_sfnt_off0001027b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1027B | 18288 bytes |
SHA-256: 871f46a3bb9a99f2adcee84fb42d7019fe02194fdb51f082b8d05c6fc31167d1 |
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