MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The heuristics indicate the document functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. These links likely serve as a lure to download further malicious content, such as other PDFs or executables.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://clear-es.net/yamituki-n/uploads/files/tegegewaweribeke.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ac54d564172---81422909926.pdf
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/kijumifuboxewubazixakuju.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a16fd526bfe---ximelelugidoti.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081aac775e5d---2436976711.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/89d0e13d02f3828757879e03a45e41ec/pegixuronifo.pdf
- https://menu2uplus.com/images/file/48938454163.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e8b222f718---tepusazu.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/e7vn30pvfvv5jljl9o5tr3188f/larexusuxutewazolimipedi.pdf
- http://mhfmjournal.com/data/22/2/55/64/2544879/user/2788947/htdocs/userfiles/file/6450400781.pdf
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/1tag10analf41v849s37a8b4h6/20405227307.pdf
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/oltb2qgemjjcbf9udm0o7024h1/roburumuganabimifexi.pdf
- http://krevue.cz/UserFiles/File/10311777803.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e520cf85e---48462545473.pdf
- https://chandrakantmusicacademy.org/ckfinder/userfiles/files/gadebabadovasobejiluse.pdf
- http://heyumpnd.com/userfiles/file///damidovubejirozuperire.pdf
- http://fitviewer.de/files/file/devikibamisa.pdf
- https://isabellepieman.com/userfiles/file/15388229548.pdf
- https://ekransamara.ru/files/rofewiboz.pdf
- http://baraanduliaptti.org/userfiles/file/kozunejaxibimejefikukaf.pdf
- http://bacvietexpress.com/upload/userfiles/files/tomix.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/8a6609c212b14a740156cf6ee5725ab8/mikili.pdf
- https://pepinieramontana.ro/ckfinder/userfiles/files/53560260796.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=the+indus+civilization+by+sir+mortimer+wheeler+pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000120e1.bina168af9fd9d6e152c23309c5571c0fd2cf95005dba46de4a9d1476fb35791a33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120E1 | 11416 bytes |
font_01_sfnt_off00013b88.bind7792546ffcdc5c9a792205d74c7716956ac863314ac766d6069c005105b71e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B88 | 17604 bytes |
font_02_sfnt_off000168ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x168FF | 16792 bytes |
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