MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple domains, several of which are flagged as potentially compromised or disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://viorina-deko.com/images/file/divazuwotebodapa.pdf In PDF document text
- https://cortemadera.com/wysiwygfiles/file/rebonifupivasubabudujaxek.pdfIn PDF document text
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/davc9lo86pm919jbdg1ii61b74/79092139407.pdfIn PDF document text
- https://fleschimmo.lu/userfiles/files/nimenuba.pdfIn PDF document text
- http://mevlanaasm.com/resimler/files/9050858521.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/43746704626.pdfIn PDF document text
- http://ekorepetycje.eu/Upload/file/feraxozawaxuxeg.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/xelemibagenujakenugaja.pdfIn PDF document text
- http://timandlor.com/userfiles/file/xunapokiz.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/10f6h8d0ju7feavo2h61do8nap/pavidaleb.pdfIn PDF document text
- http://weiken-rc.com/upload/files/42625657181.pdfIn PDF document text
- https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16138eb9d5c273---46883150563.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/90595367089.pdfIn PDF document text
- https://soportedevida.mx/ckfinder/userfiles/files/78841932791.pdfIn PDF document text
- http://www.sloepverhuur-debiesbosch.nl/upload/files/mazekawuzeroze.pdfIn PDF document text
- http://dental-forum.ru/userfiles/file/zusomapuwas.pdfIn PDF document text
- https://jagamimpi.info/contents/files/lovetijul.pdfIn PDF document text
- http://webbuilders.com/files/file/90420624640.pdfIn PDF document text
- https://aimhc.com/userfiles/file/36275347185.pdfIn PDF document text
- http://debrecen.varosom.hu/userfiles/files/52172375638.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=summertime+saga+highly+compressedPDF link annotation
- https://easyown.ddproperty.com/datas/files/kosoxifizigifibi.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_off0000d4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4C4 | 16424 bytes |
SHA-256: 76a9e245bd2a4637977d904403a4059ea8702a3ece1b9921eaac7b9bc9ded8c5 |
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font_01_sfnt_off0000ff49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011760.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11760 | 11144 bytes |
SHA-256: 71d86fd68f8b13a2620a1a1dc6ad14b689df5c064f57931ee23c8f5511e3fba3 |
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