MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content or for SEO manipulation. The presence of multiple distinct hosts and a high number of links per host further supports this.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a8f0f11e6a2---tagofisugeferugululona.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f716e9882e---80018685855.pdf
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f7f8b7851---zuvenuzozaregirisezoru.pdf
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/baxokevijimibileluditurop.pdf
- https://binarbaidfabrication.com/public_html/userfiles/file/89024979367.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a4f0745b6a---54304830382.pdf
- https://dodatnagarancija.com/userfiles/file/45517389351.pdf
- http://asiadomainstore.com/userfiles/file/84908890570.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/2ljc7qv2klrsiaqfpmlprq61rg/20619056083.pdf
- http://www.kymkarajok.net/tiedostot/files/66609357247.pdf
- http://bukharaatlanta.com/sites/default/files/file/75383670776.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b24bf7ada05---74993040145.pdf
- https://marksiegeldds.com/wp-content/plugins/super-forms/uploads/php/files/1bdeb6437d25d7552a43b1d271682a79/57360428213.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16099fe3563fa1---19658432723.pdf
- https://bd-sokolovska.eu/userfiles/file/92642622212.pdf
- http://ddmlife.com/ckupload/files/voxujonewegimekiwonev.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3426738180---10250793265.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/3f2a63552c2c428fb884e6df075c2662/pufirus.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861b22436ae---68718085008.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/52390345221.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d8494b70f---xilukonematixejaso.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/deam45j71lhu4uils301oifr10/33913446896.pdf
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16094b8b190aa6---kavupeburetagotuju.pdf
- https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/vg59psf25prs2hml72qr54iott/5392383443.pdf
- http://cleanyachts.it/writable/public/userfiles/file/bukokuwasakiw.pdf
- http://colleges-in-tamilnadu.com/FCKeditor/userfiles/file/reniwubebanagavepa.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+read+electron+configuration+on+periodic+table
- 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_off0000e9af.bincc741a9a28f775dc23deef6bcd211d9bd570c26911bd63f04d52775f5d55cf77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AF | 10944 bytes |
font_01_sfnt_off000102b1.binb17d6cdba41726891f751599a2c858817f21606401f02a38e4929bab6467cc5e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B1 | 16632 bytes |
font_02_sfnt_off00012df4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DF4 | 16792 bytes |
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