MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, with several heuristics indicating it functions as a link farm. Some of these links point to compromised CMS uploads or disposable hosting, suggesting a malicious intent to redirect users to potentially harmful sites. The ML classifier and ClamAV detection strongly support its malicious nature, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9937
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 http://sartor.ru/upload/files/rovakoximasoz.pdf In PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc15175991---85046208448.pdfIn PDF document text
- http://zimaletto.com/uploads/file/sitobemepekebutogenaf.pdfIn PDF document text
- https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/9prnc4bhdposvbn0efe69qmn0v/28406388503.pdfIn PDF document text
- http://theemasternetworker.com/ckfinder/userfiles/files/zowetimiwivizozavaneviru.pdfIn PDF document text
- https://syntellect.ru/Repository/file/gisevonubakirexikus.pdfIn PDF document text
- http://robalton.es/Albums/images/file///vivawaxeg.pdfIn PDF document text
- http://mitcostruttori.it/userfiles/files/36908653595.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4b608c4bb2---40819728246.pdfIn PDF document text
- http://designbeginnings.com/upload/file/32900496117.pdfIn PDF document text
- http://banghaija.com/userfiles/file/lonovexudexijugutefima.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607141ebc0343---72402785620.pdfIn PDF document text
- http://littlepearlbooks.in/data/eimages/file/tamozezoto.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d70c72ba9b---fugiribugixez.pdfIn PDF document text
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/3a05e06692ce33c24fe8333a0ed32e85/xikakikek.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/6553478701.pdfIn PDF document text
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/40928864166.pdfIn PDF document text
- http://kino-profi.com/wp-content/plugins/super-forms/uploads/php/files/af6b93144648f4352d4b44308b61d302/dezaxu.pdfIn PDF document text
- http://davis-wilford.com/clients/5/5d/5d1655677b271656441dfc21bb295863/File/15902074779.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609458e0380e8---podudej.pdfIn PDF document text
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/cc6f8e4bee41268e542839edde4c3587/63056685729.pdfIn PDF document text
- http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608df8fb77927---37051342171.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acd602aecd1---vipujaposax.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/m5pcm2c3u9k1goc001cu712d14/31555397751.pdfIn PDF document text
- http://www.contectrade.hu/fckfiles/file/26816429322.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=are+insurance+premiums+tax+deductiblePDF 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_off00010883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10883 | 10880 bytes |
SHA-256: b4b1a33e6357c9cfaf210b57a006dfdab4927ca5b63ddd02bc7e503aac0551df |
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font_01_sfnt_off00012172.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12172 | 17320 bytes |
SHA-256: 9bf528ddaaef0f5e8c017e3dbbedc553e831384a44c67047d5f08592c07661a5 |
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font_02_sfnt_off00014e74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E74 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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