MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm or SEO poisoning attempt. The embedded URLs suggest an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://wxeina.com/userfiles/files/sivofirefu.pdf
- http://agnieszkapawlik.com/userfiles/file/damapirize.pdf
- https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/is3bgbk65c4p3ts4evicahsc8i/pinun.pdf
- http://dhf-china.com/d/files/67094230410.pdf
- http://xn--80aafbanafwvcftiqfecrg2a.xn--p1ai/pict/file/66014919112.pdf
- https://kolorubursztynu.kolorubursztynu.pl/web/uploads/files/wimeraguxil.pdf
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a28a5af217---27044757646.pdf
- http://xn--80aagkbrca3apkgkee0a1bi.xn--p1ai/ckfinder/userfiles/files/bogotutubovor.pdf
- http://ms-beauty.com/ckfinder/userfiles/files/bigume.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e8e1cfb9991---fenajederifidoti.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160844c38db5e4---7277849295.pdf
- http://findmealocalpainter.com/insurazon/admin/userfiles/file/85177159445.pdf
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/drgsk8qdlk8nbp87rmagmudjkl/pusenikawaridamarafit.pdf
- https://ctsgroups.asia/images/file/jalowewederumopi.pdf
- https://bruceautoservice.com/files/file/56015069499.pdf
- http://ristoranteibucanieri.it/userfiles/files/90150667457.pdf
- http://strategie-online.net/catalogue_dynamique/file/wojaboral.pdf
- http://ndt-tl.ru/upload/file/lagabotumida.pdf
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b663408caa5---nemewevolusukonij.pdf
- https://www.asoriofrio.org/ckfinder/userfiles/files/fefuregaweseki.pdf
- http://educasters.co/ckfinder/userfiles/files/56885018044.pdf
- https://tourpon.kr/FileData/ckfinder/files/20210825_B59E6C4AB7674F72.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/7db5fd787ec3c03c9362ae7fdb81a3ca/53848426545.pdf
- http://solis.altrodesign.eu/ckfinder/userfiles/files/14060783764.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=comunicacion+interauricular+sintomas+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_off0000d819.binb8a390c32cb480689e390211c2154968bf70b290ef5d7503ae8d8ff73ec8e211 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD819 | 10912 bytes |
font_01_sfnt_off0000f15d.bined28d2371ff38bddbe6121b6fbb5214fde1b0385e52d15015c5309844f50c47a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15D | 17940 bytes |
font_02_sfnt_off0001202e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1202E | 16792 bytes |
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