MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The ML classifier and ClamAV detection strongly indicate malicious intent. The PDF contains numerous embedded URLs pointing to a link farm, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' confirms this behavior, suggesting the PDF is designed to redirect users through multiple low-reputation domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://olguanaokulu.com/upload/file/72252474258.pdf In PDF document text
- http://flapboxes.com/userfiles/files/vafivik.pdfIn PDF document text
- https://estduquebec.com/scripts/php/xenocode/lib/ckfinder/userfiles/files/bademipipizelolitil.pdfIn PDF document text
- https://swift-tw.com/lcc/upload/files/48065231916.pdfIn PDF document text
- http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/752845644613b9bb8d2ed8.pdfIn PDF document text
- http://canadianrockies.ca/files/file/rofudov.pdfIn PDF document text
- http://josquin-capella.de/download/gobubajozoxasukefesimofaz.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/62258057188.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/jixekupezariwuvarogok.pdfIn PDF document text
- https://branchennachweis.eu/userfiles/file/72737357403.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/32309939070.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152c271d6775---56463621750.pdfIn PDF document text
- http://nacyc.jp/Upload/file/22283236407.pdfIn PDF document text
- http://gzafjc.com/uploadfile/files/joturulobepanafofita.pdfIn PDF document text
- https://systematix.pl/userfiles/file/58733439522.pdfIn PDF document text
- http://rimini-portal.de/bilderarchiv/file/sikegugixuline.pdfIn PDF document text
- http://ghespanail.com/fckeditor_userfiles/file/58020636888.pdfIn PDF document text
- https://permargi.com/files/galeria/files/tarug.pdfIn PDF document text
- https://nedimgame.net/calisma2/files/uploads/wuxemurasufasebogubewi.pdfIn PDF document text
- https://praktijkbinnenstad.nl/file/mizudijetojubuwivi.pdfIn PDF document text
- https://posetili.ru/userfiles/file/jitifixivigumowovani.pdfIn PDF document text
- https://vgk.tw/upfile/files/2021/10/01/72010739013.pdfIn PDF document text
- http://insuralead.com/userfiles/file/jadozovevezuzamokojuf.pdfIn PDF document text
- https://woodfur.in/userfiles/file/jivop.pdfIn PDF document text
- https://rivieresoceanie.com/userfiles/file/94401153110.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=albumin+in+urine+meansPDF 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_off0000f607.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF607 | 18956 bytes |
SHA-256: e37943bedb621e3964d086db78d28d6ccac153a6973d84df68120bc0f1f35c08 |
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font_01_sfnt_off000127c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127C2 | 10272 bytes |
SHA-256: 69daf172a6f5bebdc4037a59a91fa8d712dbfd99eb41b01046c711b727eb29cc |
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font_02_sfnt_off00013ec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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