MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm, with numerous URLs pointing to various websites, many of which are hosted on compromised WordPress sites or disposable domains. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a non-clustered link farm on disposable hosting, suggesting an attempt to manipulate search engine results or distribute malicious content. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://busankid.com/webfiles/board/file///1506436794.pdf In PDF document text
- http://namngonviet.com/user-/files/mivujatajapakovipatos.pdfIn PDF document text
- http://kasargod.net/uploads/file/kurodabapeliziw.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/5f147a67851dc66d801f9a2a90ea5c15/gobefitaledopoxigikavolu.pdfIn PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/0q4p6q3qqaut46ao7s0pnfcor2/loxuto.pdfIn PDF document text
- https://corghialberti.it/file/9095159754.pdfIn PDF document text
- http://dyglas.com/userData/board/file/wewilixibozusofifatono.pdfIn PDF document text
- https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/f1f08943969101b5398f252b04b1e949/nezomevawaxazafa.pdfIn PDF document text
- http://liburnia.pl/userfiles/file/vasimu.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/bec0b11794beb3e9d21418f8cdc1aec6/gofuzixitonit.pdfIn PDF document text
- http://medicare-darmstadt.de/bilder/UserImages/file/77086094130.pdfIn PDF document text
- https://joinvita.com/neu/userfiles/file/55457158533.pdfIn PDF document text
- http://aliceinformaticasrl.com/user/pages/80401702434.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a03b0b423ed---japejevutezunede.pdfIn PDF document text
- http://climacom.eu/userfiles/files/kimusolekasupowejutebu.pdfIn PDF document text
- http://bjqyms.com/filespath/files/20210823142854.pdfIn PDF document text
- http://csptech.net/admin/userfiles/file/rolisinozonomibisekedijis.pdfIn PDF document text
- http://beaszemin.com/files/mupeluz.pdfIn PDF document text
- https://infotechloyalty.com/bot/ckfinder/uf/files/6430330108.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160962c3dbf79d---60551083284.pdfIn PDF document text
- https://cytokin.ca/upload/editor/file/pemepiridofenonaluzogus.pdfIn PDF document text
- https://sklep-pinokio.pl/web/uploads/files/80846773657.pdfIn PDF document text
- https://alihuata.com/userfiles/file/27847663060.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160780533115c9---sejisujakadod.pdfIn PDF document text
- http://capitolmetrophysicaltherapy.com/files/files/26077646028.pdfIn PDF document text
- http://eko-inwest.eu/upload/file/kewipepasodik.pdfIn PDF document text
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/5e8af8ddb2e3ffe455dc7fc1fc56f9cb/mewagidetugubuwatimawebo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=microstation+v8i+tutorial+pdf+espa%C3%B1olPDF 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_off0000cbdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBDB | 17560 bytes |
SHA-256: 5208179f532215ed804dce4495d300bcdcd1198b74214ff8b11f7944bc98687d |
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font_01_sfnt_off0000f9a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A4 | 11188 bytes |
SHA-256: 63f393178d1f4fb91e3cb222a284199603fea8c19ddea2b56c9627961204b903 |
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font_02_sfnt_off000113c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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