MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest a phishing or malicious payload delivery intent. No scripts were extracted, but the structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/07076aec29434e8ec107f0b547204b66/4773706503.pdf In PDF document text
- https://www.deuba.info/wp-content/plugins/super-forms/uploads/php/files/efvcajga6h5mm3umv150b6e48t/24001475518.pdfIn PDF document text
- https://space1500.com/wp-content/plugins/super-forms/uploads/php/files/30220f3f931462f87aaf80af760d0998/nifuduzisadisuj.pdfIn PDF document text
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/e0a5f600116050bc3e2eae0a113a5134/67897157190.pdfIn PDF document text
- http://tz5168.com/uploadfile/image/2021/05/17/file/20210517_200758_174.pdfIn PDF document text
- https://sayurhijau.com/contents//files/zopuwomakeladorini.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/67f18a6130771214aed64bcd98c7663d/motig.pdfIn PDF document text
- https://sjalikave.hu/pictures/file/812089083.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16084e6b5e7dd8---pebekevujuzu.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acf766b297d---xewakobejetasivabenagiru.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d1b73c457264a44a4b9fb0bbb8e802d8/2095789659.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/64130401704.pdfIn PDF document text
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160789b3b55e65---jitubesovuz.pdfIn PDF document text
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/0928e6750621ff45e5b4db85544a156e/35674412299.pdfIn PDF document text
- http://e-kva.ru/admin/ckfinder/userfiles/files/82819807191.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/47195555163.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ce83dce7f0---wamop.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/90239946149.pdfIn PDF document text
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aec602429---63835939251.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/vejoladidolenigefamu.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607ee674a4561---65201253716.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084f48e99311---jugoxojosodogetu.pdfIn PDF document text
- http://reicar.dk/userfiles/file/bimov.pdfIn PDF document text
- http://jakpaisanestate.com/images/upload/files/53143153492.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=positive+and+negative+enantiomersPDF 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_off0000fd3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD3B | 18608 bytes |
SHA-256: e01656072590c60317d006a40befe05ff42ec71e4a2557421fa9f2c0923134f7 |
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font_01_sfnt_off00012f19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F19 | 10612 bytes |
SHA-256: 573335d68c6893d2fba021f7b43a273d9771a101a5a771cba091d53d69db25ba |
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font_02_sfnt_off0001472f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1472F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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