MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains a link farm pointing to numerous external PDF files hosted on compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the presence of numerous external links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://arcomproltd.com/userfiles/file/fapededu.pdf
- https://alasclub.gr/neuro/ckfinder/userfiles/files/sodanidep.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607efffdbef43---85242675086.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba123a0d51---83183735768.pdf
- https://ferado.vn/userfiles/file/35828141706.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609cfe9349502---44106962655.pdf
- http://1parareunion-club.com/clients/4/48/482fc251494624b09083a87f212a12d7/File/bavogiziv.pdf
- https://tyko.pl/userfiles/file/6822448570.pdf
- https://filetorme.com/upload/files/29340896881.pdf
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072dc96de401---duvowipepinadoludu.pdf
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160b611f97cd1c---38706681325.pdf
- http://bitite.lv/media/txt/122/file/71278396747.pdf
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/645a7eec3780aacf2af3d0551e4c1c2d/40776739818.pdf
- https://matrainagycsalados.hu/userfiles/file/42407245504.pdf
- http://www.lbf-cosmetics.com/website/wp-content/plugins/formcraft/file-upload/server/content/files/160b61e3c71ddf---57141590511.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5239bea62---50955542324.pdf
- http://alibabashipping.com/userfiles/file/vubojawuvokurajatenuletak.pdf
- http://hncastlecable.com/d/files/40113493577.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082f2862051f---lirawitikagopadosomitoxab.pdf
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f605d3cf4a---manurukibi.pdf
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/phlrhdtl00gd7nlo4hjkclr9d5/tusinewa.pdf
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a4f40fbf432---58826070112.pdf
- http://kaies.cn/upfiles/210612154802091128lsgema.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/f53332206881485bc43d78e4bdfecf83/paseborerulazaxowigiwo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=lupus+and+inflammation
- 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_off0000f278.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF278 | 16792 bytes |
font_01_sfnt_off00010a8a.bin8274b27364d3012b37ab54a13ee60926fcc61ae854e99fb4771291c494ea08ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A8A | 17000 bytes |
font_02_sfnt_off000136a0.bine18b149ac86b5f9cb32cd262d4cf623961f2629a2991237275b4ed30187f24e3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136A0 | 10484 bytes |
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