MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document contains numerous links to external websites, many of which are hosted on compromised CMS uploads or disposable domains, indicating a link farm designed for malicious redirection. The ML classifier and ClamAV detection strongly suggest this PDF is malicious, likely serving as a phishing lure or a distribution point for further malware. No scripts were extracted, but the structure and URL analysis point to a phishing or malware distribution attack pattern.
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 https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16096854423c86---pokukawebadavofisugimafon.pdf
- http://goksirkrupskimlyn.pl/img/upload/files/pubagedoponaverinasimo.pdf
- http://meyanko.com/userfiles/file///fuwodezegavosifanedene.pdf
- http://whuntex.ru/userfiles/file/86571654475.pdf
- https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/27inh9v61j2dltku23prp7p78e/jesalosil.pdf
- http://jamessham.com/admin/usercontent/file/mevokiwizipubuxedu.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b3b0844aef8---tutipunilujepimot.pdf
- http://megat.pl/uploaded/fck_files/file/90435544675.pdf
- http://pileshoppen.dk/userfiles/file/2385528511.pdf
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b16d886b74d---67016649302.pdf
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/aedd6eca81b399650eb97d6fcc1c8737/42751768345.pdf
- https://yuss.it/file/4061768226.pdf
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/d7e155f90f0a7e104976ea917689447d/jivugizezolupu.pdf
- http://alphasigmaoverseas.com/userfiles/file/wutakuxirabofepi.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ab0b7153b1f---23563891013.pdf
- http://24cvety.ru/upload/files/622770536.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/mdf4jqqlrcgv9kemo0bt8js33n/jidamora.pdf
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/huu1kehddj0870epevlnjifscn/fogavivowafi.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1e8a8d57c---fujikan.pdf
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/l0263vd505cb8ksq5cbmqvn79o/3112479714.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/78afe93ba83190b625e24d6b37e854d3/61537195001.pdf
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/3ed5bb2a6ed195f08433f7addb2b1104/falefafuvasujikujibasonur.pdf
- http://brenno-tojestto.pl/userfiles/file/mederafenidapux.pdf
- http://goteneplast.se/files/images/file/vilopasewezageximabifif.pdf
- http://j-club.eu/userfiles/file/tedukijamexejizivege.pdf
- https://sckstone.com/wp-content/plugins/super-forms/uploads/php/files/3014a99242b5e6fcb51860087331d072/vilixog.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=shoulder+pain+and+arm+numbness
- 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_off0000e51c.bin64ea3551edc61e68dd234c5b646b52f386759e961bfd0e5f72384b983c07e7c6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE51C | 10872 bytes |
font_01_sfnt_off0000fdb6.binffff351a896c8c3c6f429461a4ee2bff32c8881d191d00127a9ec0ee3212b44c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB6 | 16192 bytes |
font_02_sfnt_off00012760.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12760 | 16792 bytes |
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