MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to numerous websites, many of which are hosted on compromised CMS uploads, suggesting a phishing or malware distribution attempt. ClamAV and ML classifiers confirm its malicious nature, identifying it as a phishing trojan. The presence of multiple external URIs and a link farm heuristic indicates the primary function is to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/e2c6542135868d6ce63e7d610ed0a436/natibinabusuxenimuva.pdf
- https://siam-royal-view.ru/data/files/9409889207.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/de9502c032fcff533268e04a5ca97eec/jujijizakakiged.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160f334758ae72---fasibulimedojuluterifobig.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c159854833f---25263717719.pdf
- http://chipublichouse.com/ckfinder/userfiles/files/10964302007.pdf
- https://chungcungoaigiao.net/uploads/files/94155618965.pdf
- http://nusamulticentralestari.com/Uploads/userfiles/files/74546276756.pdf
- https://lesfeesdelhetre.fr/upload/files/68647571569.pdf
- https://bravo-hk.com/userfiles/file/duroxi.pdf
- http://mvhs1964.com/clients/2/20/2030ff4f331b14c2016b95997514b7ac/File/rafabudezerolikuxufunowut.pdf
- http://foto-klub.dk/userfiles/file/wapetetirevovasives.pdf
- https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/aecf2ed01768bbebd372c985b08f14b0/wubaridevukofurosewedeso.pdf
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16091043546.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d76462a2734---91576896882.pdf
- http://yossy.biz/userfiles/file/tipibijizesogipajita.pdf
- http://brmxn.com/userfiles/file/20210626041636_d6cezl.pdf
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f64d1530d---28089649514.pdf
- http://yuha.be/_files/file/15871432815.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aaeb21662---wivonaboneg.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/35q890m1lbfvcprg9qt1kbdgi5/bobaresuzugozelasekiweg.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a0aa6ae16---pixovaramugifakegubasik.pdf
- http://fjzy18.com/image/uload/files/durokafelutaxulaliv.pdf
- http://hnatiukreunion.com/clients/b/b5/b5561851e3069b632e798ef7a1275556/File/xirozuzobameve.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=water+has+a+giant+covalent+structure
- 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_off0000c69c.bin347dfad4bbae2ed3675819d04b02d8d64016f097bb978042e552673fa158815d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC69C | 10668 bytes |
font_01_sfnt_off0000df0f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0F | 16792 bytes |
font_02_sfnt_off0000f721.binee570a85f80665acca1ef84b29eda60ad4e305d7662ed88ca99d77ebf96a052a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF721 | 15540 bytes |
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