MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The presence of 'utm_term' parameters suggests a phishing or SEO manipulation attempt to drive traffic to these sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://medvor.ru/uplcv?utm_term=the+escape+room+megan+goldin+pdf PDF link annotation
- http://zpb-maciejewski.pl/upload/fck/file/35576617400.pdfIn PDF document text
- http://everintelconsulting.com/upload/file/202109060544259661.pdfIn PDF document text
- https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files/18680359502.pdfIn PDF document text
- https://karaari.leaddeehub.com/userfiles/files/51761414842.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134411b45a37---57431821910.pdfIn PDF document text
- http://pure-chiral.com/upload/files/bigibu.pdfIn PDF document text
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/nazalaxow.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/kekegabixaji.pdfIn PDF document text
- http://gat-asset.com/CKEdit/upload/files/sewigonizidinixojebowejuk.pdfIn PDF document text
- https://gad-elhak.com/userfiles/file/nixazi.pdfIn PDF document text
- http://igs.compcierge-asia.com/ckfinder/userfiles/files/tatokikalivotisir.pdfIn PDF document text
- http://szermgrt.hu/uploads/ckfinder/userfiles/files/96459913831.pdfIn PDF document text
- http://namkhoabacninh.com/images/files/90691797143.pdfIn PDF document text
- http://ymjgolf.com/file_media/file_image/file/28315502524.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/16139d9f90288a---96647614384.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/wawenalokun.pdfIn PDF document text
- http://dxczx.com/ckfinder/userfiles/files/20210904_234508.pdfIn PDF document text
- http://robertfeinberglaw.com/images/edit_images/file/45361183059.pdfIn PDF document text
- https://aksusu.com/upload/files/91391855883.pdfIn PDF document text
- https://equinox-e.com/upload/files/zabisix.pdfIn PDF document text
- http://miass.realxenon.ru/uploads/files/66142614076.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/35060965161.pdfIn PDF document text
- http://m-s-g.ru/userfiles/files/ronefekezofodevad.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_off0000d772.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD772 | 18268 bytes |
SHA-256: af54225f7855915512bc7c0194c1528e09af05978091f96b58a673c18b5dd167 |
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font_01_sfnt_off000105b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B8 | 10932 bytes |
SHA-256: df52538c21dadb69edc2c074e009a10ceace981dc25d5dd4a6ca667e88d85d3b |
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font_02_sfnt_off00011e9e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E9E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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