MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of multiple PDF link farm heuristics indicates a deliberate attempt to obscure the final destination and potentially distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://taeguektour.com/FileData/ckfinder/files/20210910_99950673018BE4B4.pdf In PDF document text
- http://buyo-g.net/userfiles/file/damaverewukajupobugid.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/vowamulagofuxatujaremomi.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/25779166109.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/joludukosuzexubozag.pdfIn PDF document text
- https://ashasuchikala.com/ckfinder/userfiles/files/39584491399.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/161417dd319dbc---57297373635.pdfIn PDF document text
- https://georeno.ca/userfiles/files/timosudodosuxi.pdfIn PDF document text
- https://quangcaonoithatgiahung.com/admin/webroot/upload/image/files/moxiki.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/3kku5uoatbm4fv3eje8sjpq9n6/13059126989.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/weralogatajapemapeb.pdfIn PDF document text
- https://sherwoodchamber.org/ckfinder/userfiles/files/1355984252.pdfIn PDF document text
- http://bbmeti.it/userfiles/files/rivedutobebojele.pdfIn PDF document text
- http://modelseafarm.com/kweb/ckfinder/userfiles/files/newubopodepil.pdfIn PDF document text
- http://alacarte-husum.de/userfiles/file/12379724797.pdfIn PDF document text
- http://studiopol.com/userfiles/files/41965267695.pdfIn PDF document text
- https://laptopserwis.com/app/webroot/media/files/23549429554.pdfIn PDF document text
- http://ryukatsu.com/userData/board/file/nijenulonuz.pdfIn PDF document text
- https://deltarealestate-eg.com/userfiles/file/92414388599.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/38960699705.pdfIn PDF document text
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130072982370---92119823236.pdfIn PDF document text
- https://archielectronics.com/userfiles/files/68521561109.pdfIn PDF document text
- https://nls.vn/upload/files/riletopebawi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=male+gynoid+fat+distributionPDF 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_off0000d38d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD38D | 17664 bytes |
SHA-256: 2d6116eb5b30770ef1f508a8d0f094fe65822ba2599c4add5c5993b07c726aed |
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font_01_sfnt_off000100d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E7 | 10876 bytes |
SHA-256: 5ca7fccc75aa15045bc3379403613ce61a99d5607a17f05ff9fce446af6247f6 |
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