MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially harmful external websites, possibly for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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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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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 https://kermoulin.com/userfiles/file/49794948250.pdf In PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160755bee11d5b---mevutofoxotatulofun.pdfIn PDF document text
- https://alice-immo.com/userfiles/file/65618812219.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/16087b113cf7ea---toxodigokoz.pdfIn PDF document text
- https://stpatswatertown.org/ckfinder/userfiles/files/83553315098.pdfIn PDF document text
- http://kxnjl.com/userfiles/files/82209430167.pdfIn PDF document text
- http://hophungvietnam.com/app/webroot/uploads/files/41672813237.pdfIn PDF document text
- https://schilderlesvakantie.nl/ckfinder/userfiles/files/29958590716.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/ac11f3e4dc5b16ce325ed302de5c665d/kijejanutazuxamumapiji.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8ddcdb448---lovonu.pdfIn PDF document text
- http://vtdsbinhthuan.vn/public/uploads/userfiles/file/bixopelozopadir.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/59199634968.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c9bf052effe---bekijekamob.pdfIn PDF document text
- https://ww150001.linebot.net/upfile/files/20210826021157.pdfIn PDF document text
- http://quaint-house.com/mizez.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609179a2a7b9d---bezegofubozilebejikazu.pdfIn PDF document text
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/0561f018bab3b07fb9c67cb9d78b4546/lonononuvuxesivibaga.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cdcd713efe1---19290918829.pdfIn PDF document text
- http://onellenorzes.com/uploads/files/zikenobujujetilonodox.pdfIn PDF document text
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6eeb064b8---86496946717.pdfIn PDF document text
- http://lakesideterracecondo.com/clients/41361/File/64281673882.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/22339081300.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/wukulevu.pdfIn PDF document text
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/32954668382.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/160714e5b410a7---renakuvavitavokifixibo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=free+collocation+dictionary+oxfordPDF 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_off0000d8c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0DE | 10496 bytes |
SHA-256: dc71e5f405a97cd0f1a5dccbfb039046959629d9d00092ddd6ca143aac6536ff |
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font_02_sfnt_off000108d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D1 | 17008 bytes |
SHA-256: 9c64b0043660e4bb9e5cf865b3091b0877f4e6de32806f0d757e4bbe80034ca7 |
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