MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to distribute malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the ClamAV detection 'Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0' strongly indicate malicious intent. The document body is heavily obfuscated and unreadable, but the presence of these links and heuristic firings points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16075415d2c63e---21916940972.pdf
- http://aisef.org/uploads/userfiles/file/file/devir.pdf
- http://moscowprice.com/content/xuploadimages/file/kalijegud.pdf
- http://preserveproperties.com/userfiles/files/mexitaviwakabaxawaji.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160705e0bb7e95---13853570099.pdf
- http://gymostrov.org/gymostrov/userfiles/file/92815244558.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b624077c54---21766171492.pdf
- https://cicadit.ro/UserFiles/file/48694811963.pdf
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/brutmcucdh78luokioila1bofj/mopivelafozamux.pdf
- http://konditsionery-reutov.ru/upload_picture/file/sigelujivutu.pdf
- https://eqonetech.com/upload/userfiles/files/86018559037.pdf
- https://www.dishdivvy.com/wp-content/plugins/super-forms/uploads/php/files/e8bbbe2aba3f41f5bc23848ce4b70018/fibilipowudolibefe.pdf
- http://r2doodles.com/clients/4/4a/4a4ed909dcef54c1e3ec6a0ce1d29f2d/File/36562410083.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ff4c9e4a8b---51117868630.pdf
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/d75561dd36e2d243b081de99d55a196e/11709258065.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/h960n2s23t2fsmgpclvkvo09et/webutok.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609876101e7f8---diburajabomapox.pdf
- http://fullx.net/files/wakokifigopo.pdf
- https://areicon.com/images/file/26237599401.pdf
- https://dianthusindustrial.com/resimler/files/doriwidavamebutobavu.pdf
- http://baigeleather.com/userfiles/file/39853025598.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db025e2084a---78890491556.pdf
- http://afro-safari.com/upload/files/34266639635.pdf
- http://eyupsifalibitkiler.com/resimler/files/zoduxe.pdf
- http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d8dfba74d---vitumovomudojomamolufala.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=owners+manuals+for+cars+free
- 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_off0000e5eb.bin40df6f867716dcab11b806898e4a8aae774781b081fadf6e32cc4c2721114be2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EB | 10516 bytes |
font_01_sfnt_off0000fdf8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDF8 | 16792 bytes |
font_02_sfnt_off0001160a.bin8a9e370c99fc72b917586058199d2af571d5219db3efa0dd5376d7d5c4b7bcf2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1160A | 17596 bytes |
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