MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as a link farm, with many URLs pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV also identified it as malicious, likely a phishing or trojan delivery mechanism. The embedded URLs suggest an attempt to redirect the user to external, potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9872
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://parkhighclassof60.com/clients/871169/File/84410173468.pdf
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8882879ff---kafabedoferamef.pdf
- https://bilalyapidekorasyon.com/userfiles/file/44681096100.pdf
- http://alituncer.com/userfiles/file/suzepavedawudizoku.pdf
- http://monkey-do.net/userfiles/file/74123818750.pdf
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/76559578426.pdf
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6d85ec955d20d7ba3000775c6e30cc41/4033145750.pdf
- http://stacjaregeneracja.pl/userfiles/file/suwiza.pdf
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/nscvbgg7h6pk1b89olg6fmpf73/magex.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/i0ui638shmpe44add59c9aegm4/42942254444.pdf
- http://myshopekerala.com/userfiles/file/3242896696.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/9cf93c41d6f80849281dc5e4e08d60ab/dobubajewutomenujefufasil.pdf
- https://www.elitelawnsolutions.co.uk/wp-content/plugins/super-forms/uploads/php/files/q2norlrp561cau85dh5pah95id/20786136999.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/xotagatesajudufawi.pdf
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16089ef7d7a5ff---xotidani.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b58a8b1f409---13623838710.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/bo2iggstiucc8b7oour8f2fh25/fixejobujit.pdf
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/orobj3gefga8uaogrvnh5fhi0c/71667835136.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160bc063b38079---877811987.pdf
- http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b354d7688b5---vibopodoluvoma.pdf
- http://angerdress.store/ckfinder/userfiles/files/32635534418.pdf
- http://bortran.com/upload/image/file/20210628050027.pdf
- http://lindendirect.com/ckfinder/userfiles/files/rinuragij.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/39b3c447850fccfd6ece6036ffcef72d/12943060207.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=frost+mage+pvp+enchants
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000113f9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F9 | 16792 bytes |
font_01_sfnt_off00012c10.bin225adfb893ac777250c7afbdb91fec535d6824db1a00e7f93d27e50356012298 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C10 | 10728 bytes |
font_02_sfnt_off00014489.bina9be93ef370d823f68458a47a899d2bb007d11f1f6c9e0214759f596d0d78cdc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14489 | 18664 bytes |
font_03_sfnt_off000174aa.bina28bd77e640632f93bb64e0762430fd3a5af5bfb16fef01724c35afdd62bb4d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x174AA | 2760 bytes |
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