MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or redirection attempt. 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 0.9992
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://dush-kz.ru/uploads/fck/file/jasudorowo.pdf In PDF document text
- http://baltyk.recykling-rejs.pl/imgturysta/files/ronepowokizegaxuri.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/tegetopoxuwebosikutapup.pdfIn PDF document text
- https://people11people.com/uploads/File/93904181211.pdfIn PDF document text
- http://notar-frings.de/userfiles/file/pigosipudisabasiture.pdfIn PDF document text
- http://kidsjeodo.com/images/files/52381345305.pdfIn PDF document text
- http://c2ctrading.org/cms_upload/files/kinivosolewagekewanig.pdfIn PDF document text
- http://vagtteam.com/userfiles/Files/mexez.pdfIn PDF document text
- https://kitapkapla.com/upload/ckfinder/files/kitikudodigopoxi.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/14568423099.pdfIn PDF document text
- https://radio-clipa.ro/userfiles/file/ravelopigewoso.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/d186p51f6kjdmlgud6pp847v3l/26957487009.pdfIn PDF document text
- https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/paniwuxar.pdfIn PDF document text
- https://santa.sg/images/users/00000000/files/piwomivel.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/161350b9715cae---62350847742.pdfIn PDF document text
- http://lesbambousbleus.fr/ckeditor/upload/files/40206343986.pdfIn PDF document text
- http://velapower.com/glwh/UploadFile/file/2021091307264873499.pdfIn PDF document text
- http://studiotecnicodavico.eu/userfiles/files/judexuzedutoxuwol.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/66191004688.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/94033ef130f4b51de65ddfaf4e702611/pokoruwezevopemeko.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+add+music+to+gif+on+androidPDF 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_off0000bcbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d4d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D0 | 20548 bytes |
SHA-256: e9a586e2a4a7dbeb00f376a5d78b31168ff308e23e15bf28acdd916857aba603 |
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font_02_sfnt_off000109cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109CF | 10816 bytes |
SHA-256: 60da7c4566be659d5b9d3718f5ef0c1d1e25f2e5e2c4e10d191c5a0d16cd24bd |
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