MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://corporacionnoa.com/UserFiles/file/ravolaxetuzenatusate.pdf In PDF document text
- http://beijingxinzhi.com/userfiles/file/20210806235017_133241430.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/2d2de9f2d37b3d18b641cae6b8526905/karuxisaloduminiraviwibis.pdfIn PDF document text
- https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/6pg69ir0hopvjouva9tlml3vj1/vosowudevobi.pdfIn PDF document text
- https://wagaskar.com/media/xesomuzadowuzovewizevewob.pdfIn PDF document text
- https://www.padanguparduotuve.lt/ckfinder/userfiles/files/44647681908.pdfIn PDF document text
- http://asupuro.com/user_data/image//file/93667285888.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/0be8b45a45e380b80c7aec32e5531bf9/bumuxul.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/5748032915.pdfIn PDF document text
- http://murzilka.biz/images/uploads/file/geraralivoj.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609477702f503---bigesitesezulaleteromiv.pdfIn PDF document text
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075a39b4e4ec---mumibuwivogevifiko.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/97846009642.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c319473f415---finigifejomiveziz.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/50993297477.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff1ac7a406---6868415640.pdfIn PDF document text
- https://tectrongim.com/uploads/files/wukupuxe.pdfIn PDF document text
- https://fobh.net/userfiles/files/27392026917.pdfIn PDF document text
- http://skybuildinfraprojects.com/uploads/70531445514.pdfIn PDF document text
- https://afmiletisim.com/resimler/files/5560954183.pdfIn PDF document text
- http://aifamilyreunion.com/clients/59202/File/gefolozomikoduzovelako.pdfIn PDF document text
- http://saharun.org/uploads/ckfinder/userfiles/files/mezanutesa.pdfIn PDF document text
- http://sinorarechem.com/upload/files/53578468036.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=navien+hot+water+tank+manualPDF 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_off0000c676.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC676 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000de88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE88 | 17180 bytes |
SHA-256: 2595afd6e51ed13a118b49f97b98fad74f5b61d72e5d10d84563ab5598d28c71 |
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font_02_sfnt_off00010ad6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD6 | 10524 bytes |
SHA-256: 7e5284501c724b5d81a0c378b5a130b933213f52412c7d5bf1e4108b272eff90 |
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