MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to lure users to malicious sites or download further payloads.
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://skupka23.ru/upload/m/fotexudaf.pdf In PDF document text
- https://jooli.ru/ckfinder/userfiles/files/80921818223.pdfIn PDF document text
- http://getem.eu/files/file/58714318553.pdfIn PDF document text
- http://bellina.pl/userfiles/file/wapiwutesetibomanidamon.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613253d791c44---kodurimegimovajukusatita.pdfIn PDF document text
- https://www.zochrot.org/ckfinder/userfiles/files/72993179090.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/68935412171.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ca21099427---virotujorog.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/88499964210.pdfIn PDF document text
- http://kabaretyimpresariat.pl/Upload/file/ximavebipiwevuxuxovivati.pdfIn PDF document text
- https://groupunsur2.com/contents/files/nibilidadesulurafev.pdfIn PDF document text
- https://alrukn.co/userfiles/files/rexadifafugamid.pdfIn PDF document text
- https://cjsc.se/ckfinder/userfiles/files/fotuminapex.pdfIn PDF document text
- http://mayinluatudong.com/uploads/userfiles/file/4853200132.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/dutomufowaxizikaju.pdfIn PDF document text
- http://gramercy-grand.ru/files/file/gijoxezijenigijodugom.pdfIn PDF document text
- http://mayepnuocmia.vn/data/ckfinder/files/sonogijoxesunimige.pdfIn PDF document text
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/74035092168.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/rokamizejejejotav.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/2a3913cef5389755f4d60cf368891723/guvisawufuviza.pdfIn PDF document text
- https://ibeguiristain.com/userfiles/files/fijujigekuwipalesekaxixe.pdfIn PDF document text
- https://gosselindesign.com/images/from_fckeditor/fichiers/8596937250.pdfIn PDF document text
- http://www.vikingmaterials.com/img/zelolani.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=find+nfc+on+my+phonePDF 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_off0000d571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD571 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed88.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED88 | 10404 bytes |
SHA-256: 95ce06cf254459dbb4cd8313e5a10e46f9757cff9cc92ef9fb486037039ff9fb |
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font_02_sfnt_off000104cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104CF | 17620 bytes |
SHA-256: ebcf7a055b7d8627540a821c56321f0f7d265e53517d6f24e2ca04e1cdf89de8 |
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