MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery through these links. The presence of 'utm_term' parameters in some URLs suggests an attempt to track user engagement with the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://satisfytech.com/ck/upload/files/5000486476.pdf
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/suzamidupuvakivubome.pdf
- http://renovator.cz/files/file/92484067896.pdf
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f823d556e5---78913922028.pdf
- http://krukewittfarms.com/userfiles/file/87136233425.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bcd8636a104---69163934910.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/72g16lai1uglpiisd9uu48lih6/kewotiv.pdf
- http://bodegaadrover.com/userfiles//imagenes/voganolibipo.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/8b2a721409659aea5d1a65b5b2abb361/bizur.pdf
- https://elsa-daulte.com/ckfinder/userfiles/files/44259064560.pdf
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/0bl1pf3g6fsirjkciojhj57fkf/tukawil.pdf
- https://fruzsiflame.hu/userfiles/file/24115185234.pdf
- http://dbcasagayathottam.org/assets/uploads/cms_images/files/67629549025.pdf
- https://irantruck.ir/data/file/vaxuwufibusixenivinufalug.pdf
- http://basaritarim.net/admin/editor_resim/file/30885566619.pdf
- http://ecole.ru/text/images/file/80824306499.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16081427318be9---zalubudamuxiku.pdf
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607828e98a095---82438415317.pdf
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/qqhvksbgaj9168m6lqi8umoj0d/84382322612.pdf
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2786e20ed---dojoleremuxa.pdf
- http://www.sandzthabapanel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160acfc1ae9f0d---jexixipunezawotabuluno.pdf
- http://bafiti.com/sklep/userfiles/file/novim.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=time+and+work+notes+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_off0000f19b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF19B | 16792 bytes |
font_01_sfnt_off000109ad.bind7800fdbb814a9020d582c3270477bb56b307c316e88f2afa868dcc53fe698c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109AD | 16876 bytes |
font_02_sfnt_off00013564.bin7bf0c63e07d65dda1521fd231e2dc00c517a8ac743aa1aa633690313270753dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13564 | 10752 bytes |
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