MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of an attempt to direct users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 5
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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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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 http://campfirewtx.org/userfiles/file/71493144158.pdf In PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/23076944169.pdfIn PDF document text
- http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/7918219328.pdfIn PDF document text
- https://nenmongdangquang.com/upload/files/nisuki.pdfIn PDF document text
- https://impulsa.mantareys.net/uploads/plantillas/files/wozafopojogi.pdfIn PDF document text
- https://megatex.ua/images/uploads/file/6036695692.pdfIn PDF document text
- http://chiangmai-esc.net/user_img/files/nujadev.pdfIn PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/35102395350.pdfIn PDF document text
- http://kanalizace-ul.cz/userfiles/file/nixibinaruwidi.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/90948916263.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/gabalota.pdfIn PDF document text
- http://ipllaser.in/uploads/6793711177.pdfIn PDF document text
- http://thanuyentea.com/ckfinder/userfiles/files/75099730049.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/50470362233.pdfIn PDF document text
- http://terhautz.com/upload_files/files/57288256945.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/62625747547.pdfIn PDF document text
- http://dnestrovsk.es-pmr.com/constructor/dnestrovsk/ckfinder/userfiles/files/47472118639.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f087225df5---kejosadazaxefejejinekimin.pdfIn PDF document text
- http://klhl.com/userfiles/file/60895577676.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/50759602132.pdfIn PDF document text
- http://travelbilet.ru/sites/default/files/file/4077982697.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/31957842384.pdfIn PDF document text
- https://smartbrand.ro/mm/file/91327639668.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=8+trillion+in+croresPDF 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_off0000d550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD550 | 17816 bytes |
SHA-256: 940ce1cbbf2b4449ca2a4721563fc8bd86a59164db6f0801c4b225a2fc509fc2 |
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font_01_sfnt_off00010390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10390 | 10172 bytes |
SHA-256: fa0d7eadca38fd4545a19122a1b3d6c1b0dd2068d6a2ae306759ab471a5ab883 |
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font_02_sfnt_off00011a66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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