MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to compromised CMS uploads and disposable hosting domains. The primary purpose appears to be directing users to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://cartolmania.it/file/78720984544.pdf In PDF document text
- http://chixue.com/uploadfile/file/20210522082116.pdfIn PDF document text
- http://goteneplast.se/files/images/file/11635955672.pdfIn PDF document text
- http://nc-israel.ru/upload/files/dinidoriwaweper.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160719f6261d7b---jewitegeros.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/kutakitepe.pdfIn PDF document text
- http://ruihuitax.com/files/file/90440580145.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8b56b391d---rodanizirowo.pdfIn PDF document text
- http://nineslash.com/user_file/file/wululobeb.pdfIn PDF document text
- http://hkt-optics.com/hkt/images/userfiles/file/48696954308.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ie06f7avvmtn6bd8fqts662kik/pisosojuwipus.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/dejuwujitawuvivuvitafa.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/34537358549.pdfIn PDF document text
- http://moonlightmontessori.com/upload/files/60827680888.pdfIn PDF document text
- https://coopinproject.eu/ckfinder/userfiles/files/58145946713.pdfIn PDF document text
- https://liniagdanskzydowo.pl/files/kizudotinosovaredi.pdfIn PDF document text
- http://gistfamilyreunion.com/clients/8/8c/8cbf0a40baaab9dd4734ff2cdbb1e120/File/24394670223.pdfIn PDF document text
- http://apsons.eu/files/file/48729591938.pdfIn PDF document text
- http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/89222492978.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3f842881c---41013584962.pdfIn PDF document text
- https://handientu.vn/userfiles/file/4412764414.pdfIn PDF document text
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160ecc305d45dc---39173098493.pdfIn PDF document text
- http://kawoka.com/userfiles/file/tevoxino.pdfIn PDF document text
- http://guchen.ru/d/files/80625021737.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=top+100+goal+scorers+of+all+timePDF 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_off0000b2f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F8 | 10856 bytes |
SHA-256: 3e5ac82da60da17740c51ffe576e831b09028f9bbd04754333b0d4d5fce70cc5 |
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font_01_sfnt_off0000cc21.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC21 | 16012 bytes |
SHA-256: 658e1603f8a4baad56f078c8876fb9439af7890b2e62d555e7a1df2738fcac5d |
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font_02_sfnt_off0000f512.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF512 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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