MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document contains a link farm pointing to compromised WordPress upload storage and other disposable hosting. These links are likely intended to redirect users to malicious sites for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3ead9f83e---vugotazevebum.pdf In PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/niwuvadazuguwiwus.pdfIn PDF document text
- http://shinies.ru/img/lib/file/vomofajesepu.pdfIn PDF document text
- http://coimbrasoftware.hu/images/uploads/files/fusodukifag.pdfIn PDF document text
- http://www.stemcellhairclinic.com/files/files/92173979421.pdfIn PDF document text
- http://gojjang.com/uploads/files/32645457169.pdfIn PDF document text
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/dc70c852139186263bc96b6daa8b1793/mimebolikatawe.pdfIn PDF document text
- https://mmgrowersg.com/ckfinder/userfiles/files/lorudapabaxaso.pdfIn PDF document text
- https://ladida.asia/sporlegen/administrator/imagetempfile/komunixejamawe.pdfIn PDF document text
- http://jinyezi.cn/upload/sagegetalekajigapeje.pdfIn PDF document text
- http://namadagaskare.ru/ckfinder/userfiles/files/53895838816.pdfIn PDF document text
- http://maimungkorn.com/UserFiles/file/vanuregod.pdfIn PDF document text
- https://globalcareerclub.com/FCKeditor/userfiles/file/pelarukofozemulavanatek.pdfIn PDF document text
- http://gruppocaminiti.it/userfiles/files/luzilupesusikazomide.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613334ca0494c---88314516123.pdfIn PDF document text
- https://tl-systems.hu/files/files/divaxedutupuzipazolu.pdfIn PDF document text
- http://automozg.by/upload/editor/files/32228309953.pdfIn PDF document text
- http://ddaengshop.com/ckupload/files/zopuxisivisevudiwi.pdfIn PDF document text
- http://divodizain.ru/ckfinder/userfiles/files/mabilexewogiveve.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613095236c1a4---48542251739.pdfIn PDF document text
- http://unternehmensberatung-hegenbarth.de/userfiles/file/12515680885.pdfIn PDF document text
- http://cateringkieuan.com/uploads/userfiles/file/woxobivuvakobugemosavexe.pdfIn PDF document text
- http://ashioke.com/images/library/File/nofujatunubuvekudawaxuwal.pdfIn PDF document text
- https://smartech.lv/sites/smartech/uploads/documents/files/rimalutoxazoxorumivom.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=how+to+transfer+music+to+android+wearPDF 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_off0000bbc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBBC9 | 16424 bytes |
SHA-256: 2dfaa34ebd0e7f973f7b978eb50a2795f2d3cbc78b8cdc24eacc7f3d15da5d88 |
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font_01_sfnt_off0000e5ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5AB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fdc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDC2 | 10768 bytes |
SHA-256: 36ce21a0b44d9ecb9a5524efbaf852fc6796b7a80ef971d71ff28e511e0aa064 |
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