MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites. These links form a link farm, a common tactic for phishing or distributing further malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ddd6a5a1bd---97642654195.pdf
- http://vandervalk.reviews/app/webroot/files/userfiles/files/baxofofabuxu.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f07d24b51---rakaziguwo.pdf
- https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/770e0052f80d1e4ba7df9d6bedc2cdd6/xesojonepilujozikesilida.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160949eb72c2eb---17640806630.pdf
- http://salamino.pl/userfiles/file/15294686710.pdf
- http://xn--9w3b270a7kf.kr/ckfinder/userfiles/files/judigekevejumixeponepuzov.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6ea7064ff---wurudabikogog.pdf
- https://toliveinchristjesus.ceosale.catholic.edu.au/application/third_party/ckfinder/userfiles/files/piwikagogubetisunet.pdf
- https://nbretail.com.vn/ckfinder/userfiles/files/58369474912.pdf
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/cupi3ht7dh94u57chhojhkajea/35974860726.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4591c2c00---70059363475.pdf
- http://thessalonikiflights.com/files/files/batudomewew.pdf
- http://hzbmsj.net/images/upload/File/34061066330.pdf
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/db437d22b7c07baa914950eba34c38ac/83742012908.pdf
- http://kup-vino.cz/web/ckfinder/userfiles/files/likagepo.pdf
- https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161038932bd939---pebufojix.pdf
- https://red-adlay.com/upload/files/nuvigugibutufajokekiki.pdf
- http://agisinfo.ru/uploads/content/files/96639465040.pdf
- http://sendedianqi.com/upload_fck/file/2021-7-26/20210726124308186507.pdf
- http://collegium-connect.nl/ckupload/files/59253419142.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16075d446503bf---kikizufiwexokibuvemuto.pdf
- http://portofmiamitunnel.com/system/js/back/ckfinder/userfiles/files/72489548611.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=which+vaccine+to+get
- 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_off0000fccb.bine42e8b9417102b7d77996d8eec083f3a615ce227f977c38dd2e9e8174a7698e0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCCB | 10252 bytes |
font_01_sfnt_off000113dd.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DD | 16792 bytes |
font_02_sfnt_off00012bef.bin46624ceece3e03c1eb6dfee427dfbeedf238cc7deb85180cf2627e9f015ea1f3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BEF | 18504 bytes |
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