MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs, many pointing to compromised or disposable hosting, suggest a link farm designed to redirect users to malicious content. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a deliberate attempt to create a deceptive link structure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://smidgel.ru/uplcv?utm_term=d%26d+5e+tasha%27s+cauldron+pdf PDF link annotation
- https://chetanaus.org/bheru/uploadfiles/file/60712353714.pdfIn PDF document text
- http://www.terresdescaraibes.fr/file/rorunusebuvorixakinanap.pdfIn PDF document text
- http://studiolorenzino.eu/userfiles/files/65784673700.pdfIn PDF document text
- https://www.twibiotech.com/plugin/ce1/ckfinder/userfiles/files/68875222099.pdfIn PDF document text
- http://free-note.kr/files/fckeditor/file/2874786696133b3b368382.pdfIn PDF document text
- https://tlkingatlan.hu/kepek/other/file/soxomotesadini.pdfIn PDF document text
- https://www.nvsrolko.org/ckfinder/userfiles/files/17965459294.pdfIn PDF document text
- https://samirkumarpaul.com/ckfinder/userfiles/files/kelalif.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/gogekafaro.pdfIn PDF document text
- https://eventpro-kontraktorpameran.com/uploaded/files/mijonijavega.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16133c26b3c4b5---zogidimirofiki.pdfIn PDF document text
- http://myucpb.net/userfiles/file/wexafezezejuwakotafeboza.pdfIn PDF document text
- http://raffaelecavazzoni.com/userfiles/files/wipodubefor.pdfIn PDF document text
- https://die-elke.de/cms/elke_page_files/file/7473074472.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/5512f5c13f82eb57c9413af2cc65e490/pogopat.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/f21974973ed7063fba3cfd51e782ed08/47843668590.pdfIn PDF document text
- https://ijfbacknumber.com/editor_up/77419978892.pdfIn PDF document text
- https://equalitas.es/userfiles/file/96132885789.pdfIn PDF document text
- https://inprovituruguay.com/ckfinder/userfiles/files/jixekemadefanewu.pdfIn PDF document text
- http://mlsy.cz/images/file/files/dogimive.pdfIn PDF document text
- http://dyneco.kr/userData/board/file/xikiwaxubevo.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/45000207443.pdfIn PDF document text
- http://vaness-sens.fr/ckfinder/userfiles/files/1303726690.pdfIn PDF document text
- https://paulogomeslda.com/userfiles/file/lelexugimipog.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_off0000cec9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEC9 | 18848 bytes |
SHA-256: d3031a18cb59979cf83cd5d4b4e9e9fa7df0f6d107ff05ac38e05c231b3f28ee |
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font_01_sfnt_off0000feea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEEA | 9076 bytes |
SHA-256: f695977626623e59fedb2fbedebd468d0acf89ff6f6ceafeb3cee4351ddee6c8 |
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font_02_sfnt_off0001118f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1118F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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