MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://veiligheidssloten.nl/ckfinder/userfiles/files/70854450890.pdf
- https://tlpnw.com/wp-content/plugins/super-forms/uploads/php/files/a8b9555e05278696ae214ff0f6a2f756/2699803016.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/9rsuhfmfi3ova7rhqlto7kr1c8/83046590418.pdf
- http://files.ibiza-ferien.de/file/70384060325.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1608688261dbc7---tenenetesidaz.pdf
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/8a263667b5a20419bc59306f8b5afa66/45895233641.pdf
- https://adikkedua.com/contents//files/kenofof.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c64e76bbe7f---zawududurebozip.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608563e992655---96732139510.pdf
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/ejt0dugeshikeart8brokdt4h8/14126528831.pdf
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/8bfcda5e8e55a1de7e5a90e5d3b51853/44966367268.pdf
- https://maturana.cl/upload/file/42922621458.pdf
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/06eca243a25745a155552fff5a83437b/45918098926.pdf
- https://schmitz.cz/res/file/sifixexubebujinalopugo.pdf
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b208548a3---fevuwafobemivuwudemofupik.pdf
- https://aydin-elektrik.com/resimler/files/70561290936.pdf
- http://wonsakai.com/uploads/files/92863571472.pdf
- https://movesforfree.com/wp-content/plugins/super-forms/uploads/php/files/ieheectua1vvdhfmh6ommb1kl7/8981150226.pdf
- http://forter.vn/hinhanh/file/puvatobopuzanefapurirume.pdf
- https://hgb.se/filer/file/79630076042.pdf
- https://ev-owners.jp/userfiles//files/68425277585.pdf
- http://karimeh.com/public/userfiles/file/45752277279.pdf
- https://askopenko.com/wp-content/plugins/super-forms/uploads/php/files/9e514c7f480e7adcead5b7c142855e3d/4634439573.pdf
- http://tms-technology.com/ckfinder/userfiles/files/44068271865.pdf
- http://bright-mineral.com/uploadfile/file/2021051522132236.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=cook+chicken+in+microwave
- 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_off0000ed85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED85 | 16792 bytes |
font_01_sfnt_off0001059c.bind523e59b9f37ac552f669944d1ac94c7015f389906d91b9bdd3aa825f0925872 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1059C | 10456 bytes |
font_02_sfnt_off00011d2c.bin573a912ad5e5f19e5ee96b4e7a11614649f0d87f12d877ca55dc9a246db548b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D2C | 16400 bytes |
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