MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The embedded URLs point to compromised websites, indicating a phishing or malware distribution attempt. The document body is unreadable, but the presence of numerous links to potentially compromised CMS upload directories suggests a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9914
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.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/3286bbedcff5c3facda639f8579b5df4/jeluzek.pdf In PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16096791c24697---67346870052.pdfIn PDF document text
- http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607feef01415a---20051202578.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8016a000ce---boxatipeniza.pdfIn PDF document text
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607043301a1b4---begukepenoxuxo.pdfIn PDF document text
- http://elyriahigh1974.org/clients/0/05/052ab20d644b737728595af1a47b4450/File/58581420955.pdfIn PDF document text
- http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608601d3ca237---durixuv.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/9t5557qimleuaf7jhop38qqgq5/8185917137.pdfIn PDF document text
- http://astmasme.com/userData/board/file/zovozagepoxi.pdfIn PDF document text
- https://tigaintan.com/contents//files/54713258710.pdfIn PDF document text
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7f2699d12---referuboka.pdfIn PDF document text
- http://ekorob.pl/userfiles/file/nimanasunipevefed.pdfIn PDF document text
- http://haenuri.net/ckupload/files/54723999442.pdfIn PDF document text
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fdcf163c332---12562064633.pdfIn PDF document text
- https://amenajarisiconstructii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16092413f1cbf1---335863565.pdfIn PDF document text
- https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/3t21o4fmesmou2l6ea7euklkc4/pebazugikufewu.pdfIn PDF document text
- https://personnelcle.com/userfiles/file/52686511439.pdfIn PDF document text
- http://tumakuruvoice.com/tumkurvoice/ckeditor/ckfinder/userfiles/files/98569277314.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a61c4a7286---kodesavojuvoleki.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160725af7dcca9---tegukumuropuxabenimijowu.pdfIn PDF document text
- https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/md2tucf9q7tpgvo92q10ugieuo/73901522201.pdfIn PDF document text
- http://sapientgenerator.ru/files/userfiles/files/67194578325.pdfIn PDF document text
- http://bienbao.net/uploads/files/64320160597.pdfIn PDF document text
- http://jfac.kr/ckfinder/userfiles/files/44142610097.pdfIn PDF document text
- http://vititanon.com/user_img/files/49441744902.pdfIn PDF document text
- http://brezov-gaj.si/uporabnik/file/siwusavimepewimukoleb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=atlas+de+anatomia+humana+em+pdf+portuguesPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c20f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC20F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000da26.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA26 | 11024 bytes |
SHA-256: fd26730ce2e81a2beda2644057c41d80819c5ba8ee0b971e4722ed2cad2b15ac |
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font_02_sfnt_off0000f356.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF356 | 15924 bytes |
SHA-256: 6147380df4e9dba896213bda88b6381d42260aebb6aea87e425b91c7690c84db |
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