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 compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ClamAV detection and ML classifier strongly indicate malicious intent. No scripts were extracted, but the structure and URLs are indicative of a malicious PDF designed to lure users to external, potentially harmful, content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://oniceh.ru/uplcv?utm_term=how+to+fill+out+employment+eligibility+verification+department+of+homeland+security+form
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082ee113e9b1---34803625443.pdf
- http://aktifithalat.com/resimlerfiles/lifuvopomavi.pdf
- http://nanumed.ro/uploads/files/xagulewojax.pdf
- https://www.masismarketing.com/wp-content/plugins/super-forms/uploads/php/files/4a075825637307ee998da12c9217e4f7/wemepunakej.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a881e9a93db---13800169775.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/r6jc8s5a98d83tt1npeoi15rn5/ziwaxuvegoxipad.pdf
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/b3ea76f5001cf2943a732a48f6c290e8/13518896082.pdf
- https://iphonerepairservice.nl/app/webroot/files/userfiles/files/jumes.pdf
- http://anshan56.cn/userfiles/file/162836745890309136.pdf
- http://podiummoda.ru/userfiles/file/dewikitojatufoxezexada.pdf
- https://aldapa.eus/files/galeria/files/luwut.pdf
- http://jdjcnc.com/upfolder/e/files/20210714034705.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa20141c293---99170685277.pdf
- https://tumujerrusa.com/userfiles/21697033964.pdf
- https://trvstore.com/userfiles/file/50407707646.pdf
- http://healhumanity.foundation/userfiles/file/latukolopubafuxazasasiv.pdf
- https://dm288.rs/slicice/file/75163541664.pdf
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/4f84beb83b9440bc3da8a210830cd715/39881009788.pdf
- http://lahma.pl/_u/userfiles/file/672661975.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ffecb7e7ef5---36148002257.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/62849979c7761ad30a0c00eef84bbfcf/lopenedid.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ecb85bc54---warozuminosoruxemel.pdf
- https://porterbrothersltd.com/app/webroot/uploads/ludagelisenad.pdf
- https://motelandratecuci.ro/userfiles/file/vanalugovufajefarawasaka.pdf
- https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/16084148bb5fe4---gabilija.pdf
- http://emons-verlag.net/testarea/cwsCMSlight/media/files/binokupusitalex.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_off0000e534.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE534 | 16792 bytes |
font_01_sfnt_off0000fd46.bin5c827b3e6f5c560adec962cc19cfc419395b38d80cb4dab0aec9319fc564c469 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD46 | 16648 bytes |
font_02_sfnt_off0001286e.binfaa76580f3c8751bed468fc4eafc8606b31fabf7f7c997da86df296884d5349a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1286E | 11564 bytes |
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