MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution campaign. The presence of external URIs and link farms indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://portalcom-b2b.es/img/user///file/_0479166001619988721.pdf In PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160bff640d3d7d---88309092367.pdfIn PDF document text
- https://bandai-k.com/userfiles/file/kavikew.pdfIn PDF document text
- https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/239ba48eaa56714f9e1dd81ddec1faa8/4387038681.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/5308111546.pdfIn PDF document text
- http://garantc.ru/userfiles/file/milenenowa.pdfIn PDF document text
- https://rockyshairsalon.com/wp-content/plugins/super-forms/uploads/php/files/36amgioo9ulgkc3po4m4bfsqi0/jovijajoxafufazezixuvil.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc4e932945---42240652278.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c934d7aa436---61221585620.pdfIn PDF document text
- https://serini-cloud.pl/uploads/editor/file/ranavuzefabebuvorovafepi.pdfIn PDF document text
- http://kibbkw.com/uploads/file/52723325949.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210523194857131.pdfIn PDF document text
- http://vietsaovang.com/uploads/userfiles/file/nejebasevunakonirediwim.pdfIn PDF document text
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607148e57e71c---2143183369.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/44425602835.pdfIn PDF document text
- http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072d9b16f9cb---67350104518.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/84937909996.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba45613d83---17921664522.pdfIn PDF document text
- http://55thocscompany.com/clients/62662/File/dikodozupuxisujovena.pdfIn PDF document text
- https://bobecoingatlan.com/uploads/editor/file/17027173193.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608413feed27d---kiwirafetupukifedu.pdfIn PDF document text
- http://studiogiovannone.com/userfiles/files/ganidogotamunoki.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b29cc28b3cb---72602718965.pdfIn PDF document text
- https://norservis.com/files/files/48506600591.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=qc+inspection+report+formatPDF 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_off0000dfd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFD2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f7e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7E9 | 10652 bytes |
SHA-256: 7c2d401b5463512fee6e35f370c1d156c4144947a1eae2bcc9afa83e89885f47 |
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font_02_sfnt_off00011061.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11061 | 17060 bytes |
SHA-256: 257409171762a6f6edc5c66acee1f48280dbad2f0391ffc9576e0aa45d277a96 |
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