MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or conduct phishing. The presence of multiple distinct hosts and the use of UTM parameters indicate an effort to create a broad attack surface.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://backyardreleaf.ca/clients/6/6a/6a4eaaf8452764cb6fc14c9064ed0c71/File/leruletapiwexadekebijo.pdf
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/bef267300aaccad8396f5e6dae30c05b/likek.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16087262e990f1---zivemuvozujefa.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d040ef4038---bexiluloxazofeluwapebis.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16072811f773fc---pigeti.pdf
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084012c125f2---90779843449.pdf
- http://wongkungfu.ca/clients/f/f5/f5c316b966f29b3192b3e9e3c5714b3c/File/loxuretis.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ea6d53c67e---jirovapumefezexipa.pdf
- http://bliksis.ru/userfiles/file/lokuwud.pdf
- http://bjjiffy.com/upload/lujonuposivuvew.pdf
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d8871a8d2ae---xagififetolesuvig.pdf
- http://kochamsushi.pl/UserFiles/file/43038744701.pdf
- http://blessedfamilycovenant.org/clients/c/cb/cb727bc273eb4203dc66fb73741ae5ae/File/69543686618.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d55006c984---44636635436.pdf
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0d9a4ee7b---jovovutavaguzijusosupu.pdf
- http://nwatchonline.org/userfiles/file/59925131155.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/gntuap7i0mq56asppd9tdr60p6/povuv.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c58ab18b9---12208022794.pdf
- https://mindspacepsytherapy.com/upload/ckfinder_temp/files/20210528103047.pdf
- http://yoron.net/up/files/fojugusikofumujub.pdf
- http://gocep.org/data/userfiles/files/23726886035.pdf
- http://stpatricksreunion.org/clients/84553/File/zifuzavibulak.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5e0b6d707---lukusa.pdf
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bccf170452c---vibol.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=lymphoma+and+frontotemporal+dementia
- 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_off00010494.bind6b6985faf010588662028f4299b0b89d97347883e775c8e6ef687bd009c6f24 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10494 | 16684 bytes |
font_01_sfnt_off00012f94.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F94 | 16792 bytes |
font_02_sfnt_off000147ab.bin65901d3419da2d4a51c5ae545d4b729e132caa985bcb4726ddeac57d4a283ef2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x147AB | 10664 bytes |
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