MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It functions as a link farm, containing numerous URLs that point to external resources, likely to distribute further malware or phish for credentials. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests these links are hosted on disposable domains, a common tactic for malicious actors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://catamma.ru/uplcv?utm_term=spartito+per+pianoforte+pirati+dei+caraibi+pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b35259864---38059103269.pdf
- https://www.weldcor.ca/public/ckfinder/userfiles/files/lawawajijonugezoza.pdf
- https://sportcity.bg/webroot/img/content/files/nukavapuzal.pdf
- https://globalmediaminds.com/uploads/files/96992530775.pdf
- https://shipnhanh247.vn/asset/files/labudo.pdf
- http://djapm.com/userfiles/file/82895538480.pdf
- https://grahampropertytax.com/wp-content/plugins/super-forms/uploads/php/files/5a9d404bb50391410ae25d8b22e669e0/nevawimipuvamewax.pdf
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/d48054a70b3c1685187ac3e40678cb3e/varoxadoj.pdf
- http://kco.su/userfiles/file/85399231177.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a78299d832e---fivewe.pdf
- https://cafesca.mx/ckfinder/userfiles/files/vuzebulozitiruto.pdf
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/zovelugokevolob.pdf
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16102f80c5666a---lunovuxajewopinugovuniwid.pdf
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/s7o329rj0ehm4igefpl8r7dd4j/jimevewuxobegeburaj.pdf
- http://ajivikafinance.com/userfiles/file/wuxewipesofonesevuluvuba.pdf
- https://cncostruzioni.com/userfiles/file/59311653293.pdf
- https://nestaerospace.com/uploads/file/23916927012.pdf
- https://danielstrehlau.com/userfiles/file/7093043876.pdf
- https://likeevent.it/writable/public/userfiles/file/85639903241.pdf
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/84gcor03djvqq2plbpjniuns83/2966750877.pdf
- https://agrilaui.com/userfiles/file/40869550811.pdf
- http://nanoservice.cz/upload/file/natufewapapanamadosu.pdf
- http://dblbtech.com/userfiles/file/jitirepukagewofoleje.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/9408a11b64bce93fa532738fb30a11e2/timefa.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011a76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A76 | 16792 bytes |
font_01_sfnt_off00013288.bina04323c10f566ab547a4218020cd5041255cd4e09ba95b68e8c1b36772e46132 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13288 | 18604 bytes |
font_02_sfnt_off0001643e.binfbf0e26cc0b4f77f8cced8c2f692b6516fc1698e6aee395748e1a2bd15b8a31b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1643E | 10612 bytes |
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