MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or phishing lure. The presence of embedded URLs and the overall structure indicate an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://infrive.ru/uplcv?utm_term=download+deltora+quest+books+free+pdf PDF link annotation
- https://bacninhonline.com/webroot/img/files/1284937633.pdfIn PDF document text
- http://tolaniprojects.com/userfiles/file/gosurolozum.pdfIn PDF document text
- https://media-get.ru/userfiles/files/lirawobomaselivimafu.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160a3e239bae2d---8585442193.pdfIn PDF document text
- https://stiff.pl/ckfinder/userfiles/files/malaxufanipi.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607386c4ef6f1.pdfIn PDF document text
- https://nguyenthelong.net/userfiles/files/31382991558.pdfIn PDF document text
- http://bluekeydigital.com/images/pic/file/86098849145.pdfIn PDF document text
- http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c7a11aad4fe---97189535717.pdfIn PDF document text
- http://sooclose.eu/upload/File/14490647885.pdfIn PDF document text
- https://koratspring.com/upload/file/movopujigepiwuf.pdfIn PDF document text
- http://sy-smile.com/upload/files/donivuzepebazowuvuz.pdfIn PDF document text
- https://skvely-kup.cz/files/file/dowosan.pdfIn PDF document text
- http://minhanh.com/files/3126508921.pdfIn PDF document text
- http://yksskj.com/ckfinder/userfiles/files/25115578148.pdfIn PDF document text
- http://opakowania-loga.pl/zdjecia/fotki/file/zotexidaju.pdfIn PDF document text
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607883a532c93---65731645181.pdfIn PDF document text
- https://budapestpainter.hu/ckfinder/userfiles/files/37901680724.pdfIn PDF document text
- https://tcremich.lu/files/files/63914255507.pdfIn PDF document text
- https://alkalacarservice.com/public_html/userfiles/file/vibosulabatixudazozo.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/38faue4h8nv6ct4fherbd9ie2f/rajebivoxa.pdfIn PDF document text
- http://edu-family72.ru/content/images/uploads/file/36554437964.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb87162b69---belomevomijesozetone.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_off0000eb5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB5E | 17948 bytes |
SHA-256: 32812cfb3698f0d760d76ace2bd51e9cb9c1350b576e462629d31f7614ac9348 |
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font_01_sfnt_off00011986.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11986 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001319d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1319D | 10964 bytes |
SHA-256: 11b4056616edd5ee08a3f1cec89cf9ff6857f7dd0fd071977b9533f9f1e3182d |
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