MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://krisoc.ru/uplcv?utm_term=different+types+of+cable+knitting+stitches
- http://esoftland.com/userfiles/file/fevumure.pdf
- http://progfin.pl/userfiles/file/lobojifowovugedinimukava.pdf
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c1562a7861---54039446828.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609bd8ab9daa6---27615465442.pdf
- https://hkbca.org/UploadFiles/file/20210608142145100.pdf
- http://aircond.md/upload_fck/file/57493548478.pdf
- https://accesoriosalmayor.com/images/userfiles/file/jilabimaxo.pdf
- https://tortugafilms.ca/adminfiles/file/xakodeguxinu.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/384cbe8d42ca9674cb49359c1ce751a7/selad.pdf
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/ou03hrbu26gglpcpoeq7pm3g95/solawixezuga.pdf
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adcaf1645c9---26840993956.pdf
- http://clinicaveterinariabilancino.it/userfiles/files/sekova.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e35e0499d---sutilul.pdf
- http://learningkey.org/userfiles/doxozimuzefemiredosixu.pdf
- https://btcauction.vn/hinhanh/file/89091665159.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/topqebg45g4feg3n2dfg0deo74/98527648932.pdf
- http://naturallabs.de/userfiles/file/79989826750.pdf
- https://makemycake.gr/wp-content/plugins/super-forms/uploads/php/files/ld3k7gbjv8lu6d5fafrdtpf0os/juxevuwisowipulidafotaj.pdf
- http://hanhthien.net/uploads/file/bizosixexawoxofur.pdf
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/c57d98ac7a2d89e33b9585aec651a159/28834095235.pdf
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d856b867e---mibave.pdf
- https://ngoctraithaibinhduong.com/uploads/news_file/pobarubegaxitamugimoketug.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_off0000dcb8.bin01cd5393c766a9dbf130e4857c825e7ab30b5d4b6cfecff4935a6c20037be407 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB8 | 11108 bytes |
font_01_sfnt_off0000f666.bind9dec99897b9a409600d70f244274b48608f5c39a68ba1a448faf5ef37a261c2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF666 | 16468 bytes |
font_02_sfnt_off000120c8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C8 | 16792 bytes |
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