MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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 http://archetipoingegneria.it/userfiles/files/53443127073.pdf In PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/c6999b6ded7c81cfbf0078f0ec1043ed/73869257809.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/sosinuvi.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1c3439686c2540a609c98a24fab22c96/rifegewexigabug.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/360c76c02837fd30423ca7e850ce9835/zenelusoxat.pdfIn PDF document text
- http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/zuxolofolivotajivevukokuj.pdfIn PDF document text
- https://sygimportaciones.com/wp-content/plugins/super-forms/uploads/php/files/0g2mqu4rfturoiump76f5i5m57/52939636913.pdfIn PDF document text
- https://felicitareonline.ro/ckfinder/userfiles/files/95624274224.pdfIn PDF document text
- http://kaowei.tw/image/files/20210610_042214.pdfIn PDF document text
- http://biosurfest.com/userfiles/files/bamidesif.pdfIn PDF document text
- http://uzmansporzeminkaplama.com/resimler/files/46500319689.pdfIn PDF document text
- http://maxgear.cz/webpagebuilder/ckfinder/userfiles/files/73676766910.pdfIn PDF document text
- http://abwferrellpkwy.com/uploads/files/90066151296.pdfIn PDF document text
- http://aceonlinementors.com/userfiles/file/jujozipawulivopib.pdfIn PDF document text
- http://bulk-supplies.com/userfiles/file/76649558810.pdfIn PDF document text
- http://arunimaflavours.com/userfiles/file/89940881052.pdfIn PDF document text
- https://ijacr.net/assets_admin/ckfinder/core/connector/php/uploads/files/70781213007.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/1ff4b0a17e23177bfd70dfe600dc362b/94523051897.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/96380052455.pdfIn PDF document text
- http://interwork.sk/userfiles/file/fovuroworofugadejer.pdfIn PDF document text
- https://hmradiatoriai.lt/images/files/56964231585.pdfIn PDF document text
- http://kvbm.org/pds/userfiles/files/79090145686.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=fiche+de+poste+comptable+client+pdfPDF 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_off0000d74a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD74A | 10904 bytes |
SHA-256: 42b842632e113634dd5a5d668a97a2b2187b52af1ed0c6c93b78fe0e1634d036 |
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font_01_sfnt_off0000f015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF015 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10827 | 18988 bytes |
SHA-256: 83bf9bbdc4c536e503fa30903602d785bd7b5d8d001519e2aef0f92628b9871c |
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