MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous external links, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://danielfelber.ch/userfiles/file/12123639897.pdf In PDF document text
- http://shanghaiqingchen.com/upload/files/74864755042.pdfIn PDF document text
- https://habibitours.org/ckfinder/userfiles/files/tulewotu.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/66076a4392377b63a00c818032598986/pikajelotojebisibodadubi.pdfIn PDF document text
- https://www.wemservice.com/ckfinder/userfiles/files/18212653401.pdfIn PDF document text
- http://antasboru.com/guvennet/resimlerfiles/78277388800.pdfIn PDF document text
- https://costabravas.com/uploads/localidades/files/satedabagasilatavanexo.pdfIn PDF document text
- http://amexeuro.com/an3_Uploads/file/69863304684.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/a3000a7ba5fe4c5fc785c85b5c26e59a/noxitopofifemozetefiziluv.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/82814941983.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/ulenaxugaburepewereroka.pdfIn PDF document text
- http://wumag.pl/userfiles/file/72635963212.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/44736345364.pdfIn PDF document text
- https://mtmhomeschool4art.com/mycms/uploadedimages/editorUploadedImages/file/gejubapiwajemiz.pdfIn PDF document text
- http://ekorob.pl/userfiles/file/mofesarokexikavanakol.pdfIn PDF document text
- http://irvine.songhakbbq.com/uploads/files/3245612555.pdfIn PDF document text
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16147a28a8a52a---86066862642.pdfIn PDF document text
- http://446888.top/userfiles/file/63212247415.pdfIn PDF document text
- https://pinkrali.com/calisma2/files/uploads/6699349016.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f89faae819---10495955163.pdfIn PDF document text
- https://infypos.cncmonitors.com/infyposcms/media/74819801765.pdfIn PDF document text
- http://verypool.cn/images/upload/File/12994787744.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=funny+words+start+with+ePDF 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_off0000dccf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCCF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4E6 | 10576 bytes |
SHA-256: 9c5b0ae023d6dcac08ae01cbacfc30630adfdd8a6163998ade92619621845bbb |
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font_02_sfnt_off00010d10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D10 | 16688 bytes |
SHA-256: d9ff4b56014a8c89b6ccb38b01573abead379cf6da356e0fd87fc607ae04f626 |
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