MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm hosted on compromised CMS upload storage, a common tactic for distributing malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URLs, while many are unknown, point to a pattern of redirecting users to potentially harmful sites, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608abeef69c50---tuzujujokubanitader.pdf
- https://iltuosarto.com/file/mumulegofofajigurureb.pdf
- http://atek-ent.com/upload/file/26511731350.pdf
- https://oncallanatomist.com/ckfinder/userfiles/files/zajikijugapiv.pdf
- http://bawaconstructions.com/editorData/file/94724760391.pdf
- https://aawyx.com/sites/default/imageuser/file/zipefaditutoputese.pdf
- https://grupo-kayros.com/userfiles/file/samefitawesad.pdf
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6f15e5678---64147429435.pdf
- https://vestol.bg/files/file/53668504195.pdf
- http://seashoresilverlabradors.com/clients/4/48/482fd9669fb3260065120a60ccac5e48/File/4958032719.pdf
- http://dansungsala.com/uploads/files/lixufedarefosunoso.pdf
- https://addsfly.com/userfiles/file/regilivarewabigixuge.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606c91539acec---saziz.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d60fb46acd---nulog.pdf
- http://canxetaianhduc.com/images/file/86138259833.pdf
- http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/1607f476b9357a---55771521064.pdf
- https://jjcfurnituremaker.com/userfiles/files/82604515464.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/f2c5436172c5a822bbc9f4738d4ff35a/pavowepej.pdf
- http://4reality.cz/userfiles/files/bugezuzow.pdf
- http://ixtvs.de/_upload_bilder/_filemanager/file/88475925564.pdf
- http://acpiindia.com/userfiles/file/22655729038.pdf
- http://wonikqnc.com/upload/editor/file/1624918192.pdf
- http://iphysiology.ru/upload/41251863667.pdf
- http://polletnv.be/uploads/files/karalifu.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/t1mmet72oopkkv8krsf5j4dlvl/biwijamazolis.pdf
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/4c4e340d0f24c1bcbf86f59d07a69271/61734981610.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=two+point+form
- 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_off000100e4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E4 | 16792 bytes |
font_01_sfnt_off000118f6.bin127d746065c42bf093a9b6c2237108ebd589274bfff5c20acac0e6d3f75c480c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118F6 | 16764 bytes |
font_02_sfnt_off00014479.bin2671e16d550f8cfe7c10577799c15410a77d1a1be91e551dae3c8d1216dbd4ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14479 | 10060 bytes |
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