MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDFs. This structure suggests a link farm designed to distribute malicious content, likely for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
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 https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/dv9hf2tl34nrkd63ai5men6po8/93182707846.pdf
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/fcf62e864f9ab50e19c431ac71fb7de8/79429081342.pdf
- https://e-fasteners.eu/media/file/57266799088.pdf
- http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607c75dc984eb---buwibubov.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a47f4f9e4fe---61851152559.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082640102d6b---zipozakok.pdf
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdb2166cbea---zatikerurebozigomibes.pdf
- https://contabil-fiscal.ro/mm/file/92962880106.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2d93a983f---jikipamupewufopo.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e093586c---lefizunorisiripox.pdf
- http://huh.hu/UserFiles/File/baxanozevedokaxabowab.pdf
- https://segurosjdd.com/wp-content/plugins/super-forms/uploads/php/files/0jrd7d30rvfmfdvb3fsvdn9d20/73703434351.pdf
- https://arch.ua/ckfinder/userfiles/files/zonivuwoz.pdf
- https://ajansnigde.com/resimler/files/56938823405.pdf
- http://bhk-aindling.de/userfiles/files/madotevupive.pdf
- http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdb18e1192---95584292098.pdf
- http://kythuatviet.vn/uploads/userfiles/file/laxibovotoninig.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/prlj9q3fa61q7ho7qli7ppkil1/lonurizexitasole.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a3850db127e---vokew.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a8d64acf571---govaf.pdf
- https://accesoriosalmayor.com/images/userfiles/file/41406849116.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608f6ab8eceef---85534059604.pdf
- http://mini-garden.ru/userfiles/file/4773488996.pdf
- https://scalper.ir/data/files/file/77853581814.pdf
- https://sealskinz.ru/files/file/tajoguketeradaludur.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=to+go+back+on+your+word
- 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_off0000c627.bin4b98f5942a466857eab8aced7269c18d442c73497a44256e4fb94bb53fe53672 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC627 | 16580 bytes |
font_01_sfnt_off0000f142.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF142 | 16792 bytes |
font_02_sfnt_off00010959.bin138b2cba00657f129d211679d058f0ce7ff58a3956229453dc1199a01838a43a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10959 | 10504 bytes |
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