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 link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://queure.ru/uplcv?utm_term=what+can+you+make+with+wool+in+minecraft PDF link annotation
- http://finalstage.biz/js/upload/files/nexakijezuvubexiwu.pdfIn PDF document text
- http://yaqeen-eg.com/userfiles/file/94628546348.pdfIn PDF document text
- http://pk-rowery.pl/user_pict/file/43535755582.pdfIn PDF document text
- http://enjoybowlramenandpoke.com/uploads/files/wofixapiferelez.pdfIn PDF document text
- http://rund.cz/UserFiles/File/11450935653.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/81911872923.pdfIn PDF document text
- https://777mto.info/contents/files/71061356341.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613672c574dcb---93869806771.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613593997bef3---44353100527.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab99262e6b---19499629628.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/64323783253.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/d6g0isejo0rt8ko4ct60oke76d/fiwes.pdfIn PDF document text
- http://domusanna.it/userfiles/files/tubumu.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16135429c2210b---72777626533.pdfIn PDF document text
- https://mp2020.csysadmin.com/ckfinder/userfiles/files/jirufujopu.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/01bdfccc4bdbabbcd2732957ffd31712/24360533490.pdfIn PDF document text
- http://westernmaki.com/uploads/files/87944350297.pdfIn PDF document text
- http://hvpeds.com/upload/contents/file/vikatuzekeweke.pdfIn PDF document text
- http://pvvc.cz/files/87145959647.pdfIn PDF document text
- https://kaptenhoki.net/contents/files/96785273372.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/kekuzunamuxulefeme.pdfIn PDF document text
- http://simpelms.nl/userfiles/files/pogezozurojokupefikuzeluj.pdfIn PDF document text
- 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_off0000d6ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6AB | 17300 bytes |
SHA-256: f9731e4b7449cd1d6de4b2d698e0af44cd49e4d6f2dfc512c66f43433ce74c5a |
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font_01_sfnt_off00010380.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10380 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011b97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B97 | 10816 bytes |
SHA-256: 05d70b164f0b172f893e8c95936750ca369dc4b32f0d13387c833453f3018a70 |
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