MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs pointing to compromised websites, suggesting a phishing or malware distribution scheme. The PDF structure and link farm heuristics further support this, as they are common tactics for redirecting users to malicious content.
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://crysiq.ru/uplcv?utm_term=what+2+colors+make+purple+paint PDF link annotation
- http://joesservicecenternj.com/userfiles/files/53097153286.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/l7cg9m0nvcb8uo0t4ff8snpqik/27107459766.pdfIn PDF document text
- http://kbautotech.com/board/datafiles/imagefile/17727470726.pdfIn PDF document text
- https://bnbcostaverde.it/userfiles/file/70662051500.pdfIn PDF document text
- http://bippex.com/filespath/files/20210904030631.pdfIn PDF document text
- https://valeaflorilor.ro/img/uploads/file/53457114759.pdfIn PDF document text
- http://cmtl.in/uploads/userfiles/file/file/41445527455.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161376cbe6c69e---nupimusobigijefivobawir.pdfIn PDF document text
- http://sh-songshi.com/admin/upimg/file///39422620770.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/a75be310828b2059a0ccdeff32c3111f/95826809245.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/wopoxokawaxunesirof.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/12933552620.pdfIn PDF document text
- http://goodlife88.com/uploads/files/6386430742.pdfIn PDF document text
- http://xmzs.org/userfiles/file/gifadamizawuxeb.pdfIn PDF document text
- http://s2ipower.com/survey/userfiles/files/vagowivepovuwobisubi.pdfIn PDF document text
- https://franchisefarm.franchiseharbor.com/files/files/60358648094.pdfIn PDF document text
- https://skopjemuzikon.pmgrecordings.com/ckfinder/userfiles/files/47800881584.pdfIn PDF document text
- https://rosenstein.lu/userfiles/files/92379706185.pdfIn PDF document text
- http://achilleferolla.it/userfiles/files/16081730504.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/b9od639negebrs1q7bgpl58itf/97972875409.pdfIn PDF document text
- https://comfort8889.com/upload/files/liloborejexesamovaxufi.pdfIn PDF document text
- https://phm.vn/upload/files/wunerimekax.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_off0000d8c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8C6 | 17824 bytes |
SHA-256: 5c98fe95af1d43904a7f3830eae0a9954279b6b6b6becf2822b986c3738ed4d5 |
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font_01_sfnt_off0001062e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1062E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E45 | 10944 bytes |
SHA-256: 16b49f4289c2d408edd95b97a3fc91cbfda8d4c25b0be8f30e323c81aafe2c7c |
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