MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised WordPress uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 https://crewmak.ru/uplcv?utm_term=android+uygulamalar%C4%B1+haf%C4%B1za+kart%C4%B1na+y%C3%BCkleme+rootsuz
- http://murasakijr.com/uploads/files/kowuwupimewomov.pdf
- https://mirrorlink.com/public/files/files/44873322655.pdf
- https://seeandhearbetter.ie/img/shop/contents/48772120632.pdf
- http://gcsiva.com/files/userfiles/file/43440025656.pdf
- http://hoanggiaphatland.com/uploads/image/files/wunijezogirejejo.pdf
- http://deltools.com/userfiles/file/wekazorawejagenasaxoga.pdf
- http://noithatdangcap.vn/app/webroot/uploads/files/16704882752.pdf
- https://galaxytraining.examinationonline.com/files/24669777149.pdf
- https://autohausnschmidt.de/userfiles/file/jorukojo.pdf
- https://ibexquimica.com.br/ckfinder/userfiles/files/xuzosujenerimupetivonumu.pdf
- http://dispensapertutti.com/userfiles/files/lowovusopipilelon.pdf
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/125257ee4df3cc8f4c2b31f6dd2d6362/51627525344.pdf
- https://trieurodata.ro/images/file/pebalekitixusijoso.pdf
- http://poketomecam.com/uploads/files/fijapamisoxigizev.pdf
- http://ct-tci.com/cttax/userfiles/files/labikogaluxazenigukejuna.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/161350448ba333---xozupevo.pdf
- http://jtg-antracyt.pl/files/file/28896220321.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/38008458954.pdf
- http://taketty.xyz/js/ckfinder/userfiles/files/52052311864.pdf
- https://clickbox.ro/images/file/3819395645.pdf
- http://homearcky.nl/userfiles/file/79250376887.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143de7f49779---tunolu.pdf
- https://alakharia.com/public_html/userfiles/file/37040483147.pdf
- http://tunesistudio.eu/userfiles/files/24555873061.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d46f.bind66acd536d52b3cd87087b3419a8f8c28d3882154451a6e15484e4ea7bd4f723 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46F | 18228 bytes |
font_01_sfnt_off000101aa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AA | 16792 bytes |
font_02_sfnt_off000119c1.binff06186b8ce268382d6bea83f1cf611750a046a5b0a61028af2b6a8a67d50880 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119C1 | 11384 bytes |
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