MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to potentially harmful content. The presence of these links and the overall structure strongly suggest a phishing or malicious redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://xhiehchin.com/Xhieh_News/_file/27850416368.pdf In PDF document text
- https://francois-daulte.com/ckfinder/userfiles/files/85446190854.pdfIn PDF document text
- http://mai-colle.jp/userfiles/file/94463450958.pdfIn PDF document text
- http://villalapinetafavignana.it/userfiles/files/puwezitinezeja.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/46403228525.pdfIn PDF document text
- http://pronobile.de/catalog/file/49422628788.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/cbdc9efa77074824ee804b9ef87ea413/89931482388.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/86194cf691a6ed9b732006ed55f957a6/dawanerunabuwanivuzad.pdfIn PDF document text
- https://daotaolaixesontay.com/uploads/file/32299699375.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c2a75d6b7f---55842352174.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/78df5df1f8cec83a3689b19932f6e2fb/42666007184.pdfIn PDF document text
- https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c44f15eaf---8231227229.pdfIn PDF document text
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095dc5394323---8050742894.pdfIn PDF document text
- https://maydangson.com/vietkiendo/upload/file/xadori.pdfIn PDF document text
- http://icbiz.ru/userfiles/file/fuledo.pdfIn PDF document text
- https://laetitiabernard.fr/images/file/43213272782.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072735d1d964---65937901896.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c75267ed189---rupaxopemujaxud.pdfIn PDF document text
- http://winecellarkeeper.com/ckfinder/userfiles/files/62350671454.pdfIn PDF document text
- http://andlupa.com/userfiles/file/ridakavanuvogekofanexa.pdfIn PDF document text
- http://artechq8.com/beta/uploads/files/jobevepofitefoxaxexub.pdfIn PDF document text
- https://baoholaodong24.com/userfiles/file/xodik.pdfIn PDF document text
- https://ctsgroups.asia/images/file/62683817040.pdfIn PDF document text
- http://didaconcept.com/admin/fckeditor/file/76103137620.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8ff37df66b---95537541653.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=holt+mcdougal+biology+study+guide+b+answer+key+chapter+7PDF 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_off0000e082.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE082 | 18260 bytes |
SHA-256: f430178bf842f827f39e4d83434ddc2eaa36c22f65a6d000e1d6d8cbb70295e4 |
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font_01_sfnt_off00011024.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11024 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001283b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1283B | 11536 bytes |
SHA-256: 2a53e543e903f490555ba24135839ed25bf1e5df49dd2ee1b0c9733e9193c307 |
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