MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that form a link farm, directing users to potentially compromised websites. The primary goal appears to be phishing or redirecting users to malicious content hosted on these external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
Heuristics 6
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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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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://inwebjor.ru/uplcv?utm_term=gramatica+ativa+brasileira+pdf PDF link annotation
- https://www.m2asolutions.com/wp-content/plugins/super-forms/uploads/php/files/b50d6801e7c49945807397f3e8e04ea6/65426400719.pdfIn PDF document text
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/67668711261.pdfIn PDF document text
- http://pizzeriadevita.it/userfiles/files/78093747887.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/60363446927.pdfIn PDF document text
- http://www.tractortools.cz/ckfinder/userfiles/files/denamodewojaki.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16077bf42267a4---53831523796.pdfIn PDF document text
- http://burbank.kopanramen.com/uploads/files/91557000627.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d4fb01d6884---bapefogesugopuwe.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/46701202966.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d4d34101b4---22568334030.pdfIn PDF document text
- http://www.cenlafilm.com/siteuploads/editorimg/file/pukavekagopom.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/37060698846.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/kurifuniburozasaxila.pdfIn PDF document text
- http://altaprecision.com/userfiles/file/89747074515.pdfIn PDF document text
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125f67edc50d---xebawimafijufesexaz.pdfIn PDF document text
- http://fine-trading-knotwork.de/uploads/media/zusovamupefaziwimubera.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/f6f627634de2064a7057207aadf13ce6/29479653451.pdfIn PDF document text
- http://gymostrov.eu/gymostrov/userfiles/file/47867199623.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/zijefu.pdfIn PDF document text
- https://quatcongnghieput.com/uploads/files/dizisedukogojowenalu.pdfIn PDF document text
- https://gbagencement.fr/uploads/file/23262571686.pdfIn PDF document text
- http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607da51e54d87---fepexaditumiki.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aefe3e1e4---wafobopif.pdfIn PDF document text
- http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/160fbd8baa1dc4---71815019326.pdfIn PDF document text
- http://rinsacars.com/files/others/28451336065.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/66e496f8abbbfd2c420797b9437d2833/nogefen.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_off0000fb65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB65 | 10800 bytes |
SHA-256: f62786914cee66a320e735b1373c2244668bb7e69850d30574678d2682b6eff6 |
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font_01_sfnt_off00011422.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11422 | 18056 bytes |
SHA-256: 0017f7652b5f09559538161044add2b2a48d1b783d9e52ba7a18c27cbdb57b43 |
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font_02_sfnt_off000142ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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