MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with many pointing to domains that appear to be part of a link farm, as indicated by the PDF_SEO_DISPOSABLE_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution through these links. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://koreadramatour.com/FileData/ckfinder/files/20210907_7244B072C7991DE8.pdf In PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f516227a26---28081541720.pdfIn PDF document text
- http://www.leasebridge.com/CKUPimg/files/38069812868.pdfIn PDF document text
- http://czernavendeghaz.hu/admin1/file/99820560418.pdfIn PDF document text
- http://brianhaymore.com/images/e/file/12150330598.pdfIn PDF document text
- http://tamphuhiep.com/Images_upload/files/62482062388.pdfIn PDF document text
- http://moristas.com/userfiles/files/53973310351.pdfIn PDF document text
- http://ysmenmidwestindia.org/uploads/userfiles/file/file/sujevaxu.pdfIn PDF document text
- https://nikosdimos.gr/userfiles/file/53302738590.pdfIn PDF document text
- https://zapret-rf.org/web/img/podborky/files/4508347354.pdfIn PDF document text
- https://scavilecis.it/userfiles/file/39980611164.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/miporejufulekon.pdfIn PDF document text
- https://myreply.mobi/snappshott/editor//file/sofabopopifode.pdfIn PDF document text
- https://magyar-logyogyasz.hu/fileok/file/zivusebepafil.pdfIn PDF document text
- https://kaskad-74.ru/images/uploads/57073382506.pdfIn PDF document text
- https://war-old.its.vn/new/userfiles/file/22386796116.pdfIn PDF document text
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/bevikobuburaraxunew.pdfIn PDF document text
- http://stringladies.cz/userfiles/muxenebabafulakokizomoba.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/mawulufib.pdfIn PDF document text
- http://rsentco.com/upload/file/mifidazanedotura.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/75360017900.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1613eb92053a94---litekemivugipapexi.pdfIn PDF document text
- https://fibaquitaine.fr/cebatrama/userfiles/files/25652150566.pdfIn PDF document text
- http://mebelhotel.ru/images/news/file/bikajo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=vidmate+43802+apk+downloadPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ceec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEEC | 16280 bytes |
SHA-256: 388c6662e3cdf936f0f2084f5a2404028fc60669c29d7dc0249093f9d089fcf4 |
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font_01_sfnt_off0000e503.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE503 | 25684 bytes |
SHA-256: 4da7dfdfdbf0179fedcab297da10538b64f51cdc90c5124c7298b6722e891914 |
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font_02_sfnt_off00012532.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12532 | 11132 bytes |
SHA-256: e342b97800762db1a642e08df48d83facfc892467eb45631a06b604b2ae5672b |
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font_03_sfnt_off00013f4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_04_sfnt_off0001575a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1575A | 1936 bytes |
SHA-256: 581ee6410b39f3fc3c0b7eee44a1f688a16d32601ddb4ff915e7da4a385d4a1a |
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