MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The presence of external URIs and link farms points to an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://wastran.ru/uplcv?utm_term=rp+jain+digital+electronics+pdf PDF link annotation
- http://nemochem.cn/upload/files/kipeji.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa1bdd3513---23626942551.pdfIn PDF document text
- https://binarbaidservices.com/public_html/userfiles/file/dituboziwufafa.pdfIn PDF document text
- https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613991d6652db---1418235269.pdfIn PDF document text
- http://studiopassarotti.it/userfiles/files/gikefitukejitofakej.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/47198460200.pdfIn PDF document text
- https://www.zolmedis.lt/ckfinder/userfiles/files/farurujuwodiwutadepelaxu.pdfIn PDF document text
- http://panziofabian.hu/fck_kepek/48864842382.pdfIn PDF document text
- http://worshipedia.net/sites/default/files/file/26377910566.pdfIn PDF document text
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/8f086446bca8b3cd0c183d440284fad8/dubolubezija.pdfIn PDF document text
- http://rayanchem.com/d/files/rirenadajo.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/fikexafebewekefutuwetoj.pdfIn PDF document text
- https://hagakure.by/upload/editor/files/gadegikibexiwaji.pdfIn PDF document text
- https://accuratesearch.com/userfiles/file/zewenu.pdfIn PDF document text
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/bitotefufubazojulo.pdfIn PDF document text
- http://cellesekorea.com/ckupload/files/97494829393.pdfIn PDF document text
- http://beganijewellers.com/ckeditor/ckfinder/userfiles/files/51352180584.pdfIn PDF document text
- https://gemicilojistik.com/userfiles/upload/file/movemorizojova.pdfIn PDF document text
- http://proximeo.com/ckfinder/userfiles/files/56475545077.pdfIn PDF document text
- https://verticala.ro/images/userfiles/38374615747.pdfIn PDF document text
- http://ecovn.vn/uploads/news_file/voxinenuj.pdfIn PDF document text
- http://www.tecnologycenter.com/admin/uploaded/fck/file/dutotirigoto.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_off0000c1c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d9d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9D6 | 18216 bytes |
SHA-256: b71ca447b6816befa6a21e39ff85d230d0508d5cf962fbbd723c082e077d79f4 |
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font_02_sfnt_off00010943.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10943 | 10972 bytes |
SHA-256: 5056cab9bdc536b68126158c743e4b0dfada4b30b129413d105d53d459d5a902 |
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