MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed to obscure the ultimate destination. 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 0.9947
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 http://tunapvietnam.thietbiotoviet.com/Images_upload/files/mebitesowusonimevojegowu.pdf In PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/bfoa7gr5pct0miot6p39rus84h/zuvonefumivofanexuna.pdfIn PDF document text
- https://advik.net/userfiles/file/96477757109.pdfIn PDF document text
- http://pokrowce-ochronne.pl/Upload/file/5898777726.pdfIn PDF document text
- http://agnieszkapawlik.com/userfiles/file/fasijovoji.pdfIn PDF document text
- https://0924055971.com/uploads/files/202109022212218917.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/xajibagowaziwosemaruvisi.pdfIn PDF document text
- https://yapluka-services.fr/userfiles/file/gidowisudibimas.pdfIn PDF document text
- https://unitytradefze.com/ckfinder/userfiles/files/66573537629.pdfIn PDF document text
- http://sromedical.com/file_media/file_image/file/nedodetuzuwunozifenapubi.pdfIn PDF document text
- http://ximangsongthao.com/app/webroot/uploads/files/37510792459.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/1cae3ed307e5353c95d62878ce8e5295/witedebumen.pdfIn PDF document text
- https://carmelocuritiba.com.br/ckfinder/userfiles/files/dopukudopomabasoruborod.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/47390293653.pdfIn PDF document text
- https://wronba.pl/uploads/wysiwyg/file/gafosuwot.pdfIn PDF document text
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367c16c7e94---76278673192.pdfIn PDF document text
- https://marjoyunlar.com/calisma2/files/uploads/vojuben.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/53601217548.pdfIn PDF document text
- http://traviet36.com/upload/files/zorise.pdfIn PDF document text
- https://pellevah.com/upload/files/tubarifixakijosonor.pdfIn PDF document text
- http://lovesenergy.nl/file/56641692857.pdfIn PDF document text
- https://juraganmonyet.com/contents/files/kekabulana.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/52595378802.pdfIn PDF document text
- http://premo.at/userfiles/file/47988833100.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/27120833014.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=sites+like+craigslist+casual+encounterPDF 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_off0000c3f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3F8 | 16668 bytes |
SHA-256: 2d3839c0f57c0ac095d020b52d5be5a6a6c729c01bf062a3cd676cbe4488f959 |
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font_01_sfnt_off0000eec3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC3 | 10672 bytes |
SHA-256: 3b4a6485a55821f8c2c51ff8d2cc70deb0b511e3c4ff53a8b8eae23e74c6b1f9 |
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font_02_sfnt_off00010755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10755 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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