MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs pointing to disposable hosting and compromised CMS upload storage, indicative of a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://jjw-led.com/userfiles/file/fudopujigetusinafado.pdf In PDF document text
- http://www.ddd-iasi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1614b8399c5d4d---27581073971.pdfIn PDF document text
- http://cesarrodarte.com/userfiles/file/kawaza.pdfIn PDF document text
- http://www.gonouvellezelande.com/files/zotozor.pdfIn PDF document text
- http://rpsbchamber.org/editorData/file/woxufulufizotosamamufu.pdfIn PDF document text
- http://ambulatorioveterinariorigolon.eu/userfiles/files/daxafebasapupifiden.pdfIn PDF document text
- https://cremyco.com/app/webroot/docs/file/kowamap.pdfIn PDF document text
- http://streathamtaxi.com/survey/userfiles/files/11513918515.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161463e1bcbf1b.pdfIn PDF document text
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/7aa7acdfce1b558dc5685e99418161e1/14949555056.pdfIn PDF document text
- http://vandervalk.reviews/app/webroot/files/userfiles/files/gerusogisabubozixininej.pdfIn PDF document text
- http://hengtongblower.com/d/files/merasuwesudokaj.pdfIn PDF document text
- https://sistemagestiondpr.co/userfiles/file/raravune.pdfIn PDF document text
- http://brandweeramsterdamamstellanden.nl/userfiles/file/tobatinifurexepixofoma.pdfIn PDF document text
- https://weeb.nu/userfiles/file/34715699931.pdfIn PDF document text
- http://kbcsisa.com/upload/fckeditor/file/56498892152.pdfIn PDF document text
- https://rotterdampools.com/contents/files/51664744387.pdfIn PDF document text
- http://webursitet.org/Files/file/wemuxujemefeturanugugajox.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/gonosuzi.pdfIn PDF document text
- http://dakhoanhanai.com/images/files/pupijasa.pdfIn PDF document text
- http://mtsskzy.com/userfiles/file/22680369163.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/b1ca0e18bb805208a6dbf5569c9bf2cd/visigowokolukukak.pdfIn PDF document text
- https://12tiga.com/contents/files/79920922315.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=nba2k18+apk+obbPDF 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_off0000d3bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebd3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBD3 | 10092 bytes |
SHA-256: db6e8e9d8358bc294578f0a069ec6c1fa86618a4363843cf6ee3799c2f98967e |
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font_02_sfnt_off0001024b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1024B | 18432 bytes |
SHA-256: 9dab36c90801efd878729fb64d4eb2745bbc3afa33af04e67c8eecdd4bddb685 |
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