MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected by ClamAV as Pdf.Phishing.Trojan and ML classifiers, indicating malicious intent. It functions as a link farm, containing numerous embedded URLs that redirect to other PDF files hosted on various domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a tactic to distribute malicious content or phish for information. The presence of multiple unknown URLs points to a distribution network for further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://schoonhovensvrouwenkoor.nl/ckfinder/userfiles/files/busiruzibozo.pdf In PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613252b39dffa---faxurofumizupenetevunaxo.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/39053517276.pdfIn PDF document text
- http://caudafotografia.com/userfiles/files/61334895092.pdfIn PDF document text
- http://ecohouse-lab.com/userfiles/file/jawaxav.pdfIn PDF document text
- https://www.lire-les-notes.com/ckfinder/userfiles/files/76679746064.pdfIn PDF document text
- http://xn--80aafkatcapceshpicpg3h.xn--p1ai/pict/file/26562369134.pdfIn PDF document text
- https://bikidi.com/UpFiles/WebEditorFiles/file/kosiwagetulen.pdfIn PDF document text
- http://hattingtoemrerogsnedker.dk/userfiles/file/6498413121.pdfIn PDF document text
- http://vinag7furniture.com/app/webroot/files/editor_upload/files/53644216249.pdfIn PDF document text
- https://nhabe.com.vn/ckfinder/userfiles/files/24672595657.pdfIn PDF document text
- http://patriabrno.cz/userfiles/files/13826460362.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/43801483906.pdfIn PDF document text
- https://stehovani-ostrava.cz/static_pages_files/file/zonulusesazosonanobew.pdfIn PDF document text
- http://pjteam.hu/uploads/24645719721.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/19956426940.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/gozelebakikosexi.pdfIn PDF document text
- http://thewellmanteam.com/userfiles/files/58460095750.pdfIn PDF document text
- http://euroteam.vn/ckfinder/userfiles/files/vunaredomorikimefumo.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135aea81cbf2---57602821654.pdfIn PDF document text
- https://projetounificado.com/uploads/files/7372451266.pdfIn PDF document text
- http://haozuowenwang.com/imagefiles/file/26088441795.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/lixibapuxo.pdfIn PDF document text
- http://nghieuphong.com/upload/files/63271700730.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=game+of+thrones+series+indexPDF 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_off0000b0be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0BE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c8d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8D5 | 10716 bytes |
SHA-256: 9998ba2a9e41bd7a936201379a5eb471386fd61e15932603c6035a26a9bb37fe |
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font_02_sfnt_off0000e149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE149 | 14780 bytes |
SHA-256: 898e790f7d9bb013305cd49a4877cd50a7d8a6fad4149cee9f13993b134fd0a8 |
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