MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to domains flagged as compromised or disposable, suggesting a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://donaldnathanlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zowewa.pdf
- http://poptheme.cn/uploadfile/files/20210914_124827.pdf
- http://xn--h1aaebajlcgx.xn--p1ai/sadm_files/sexubum.pdf
- http://antonio-pelella.eu/userfiles/files/zapokumudujebunemegodev.pdf
- http://abwnickersonplaza.com/uploads/files/27360900426.pdf
- http://xn--9w3b270a7kf.kr/data/editor/file/73136535734.pdf
- http://multiflex.ru/userfiles/file/80819849512.pdf
- http://aromata.ru/upload/files/fagobafejilarozedil.pdf
- https://radmangroup-ye.com/rgfiles/file/moxidenepoganewuzesa.pdf
- http://seasonmediagroup.com/pic/file/79097646009.pdf
- https://planet-pvc.com/upload/files/rubolupomozalepajamutewik.pdf
- http://zimmerei-possert.at/15401849041.pdf
- http://retailpark.bg/uploads/wysiwyg/files/fafimetazutigexifofak.pdf
- http://www.pacautomarketing.com/file/werafudujezejowot.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/905c69201626dc6ecf8458cd8f9c7e19/1887337475.pdf
- http://upakuika.com/img/file/27687076714.pdf
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135902a0aca2---38749885422.pdf
- http://civicwomen.com/ckfiles/files/vimamujebenewizazuwunolo.pdf
- https://heyratacademy.ir/file/53811243146.pdf
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/c99dde7691e2d1173cf4edf07d5e5d99/11309343258.pdf
- https://ntct.dz/ckfinder/userfiles/files/famonegegazilemofiwovafop.pdf
- http://vitrine-prof.com/files/24451280498.pdf
- http://thanuyentea.com/ckfinder/userfiles/files/gimogapikepetowonubalor.pdf
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/16137b7de89882---95385648516.pdf
- http://brukikostka.pl/uploads/page/file/65962612350.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=android+check+api+level
- 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_off0000ba89.bin73e491abd829c4b58c282389fa1f8c4c9ce029557efca0d0f207d9e5faec771b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA89 | 10484 bytes |
font_01_sfnt_off0000d23e.bina71a291ea2f2ed548525f8d00bd9f9ba6b05cbe39b2ded0e0337aa54e348cbcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD23E | 16688 bytes |
font_02_sfnt_off0000fcd2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCD2 | 16792 bytes |
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