MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. It contains a link farm with numerous URLs pointing to compromised WordPress sites, suggesting it's used to redirect users to malicious content. The presence of multiple external URIs and link farm heuristics indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/4eade883829f4637f5e24b69899a0bfb/vitibipadozejuruki.pdf
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/02364428d0d1312a98db7de26f28f634/gomujokawuxufivux.pdf
- https://technische-dokumentation-hoffmann.com/upload/files/jajulam.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/4vbu9fcbt3d9sfik408c8nsloi/89050289332.pdf
- https://tort-art.ru/userfiles/file/20276595430.pdf
- http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/af74fc9cd393a3717b3448183fe96e74/52321393233.pdf
- http://strahovka66.ru/userfiles/file/57034205322.pdf
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dc8e7386c1---xewutolizijiditirubiwupal.pdf
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/l815q8t88mbafn09e30h9jki07/jebezafamuzutulik.pdf
- http://windmill-bv.com/userfiles/files/78259651390.pdf
- http://cdwy028.com/uploadfile/file/20210527063248.pdf
- https://clickkedai.com/userfiles/file/ruvuzovobukinuravuro.pdf
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/becdc18e08f44a9dee93ea739f64ce25/11451452653.pdf
- http://studioagronomoserragiotto.eu/userfiles/files/taruxo.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607e87b2772f1---nijinoxiwufeze.pdf
- http://55pluscommunityspecialist.com/userfiles/files/7178859258.pdf
- https://bikeid.net/ckfinder/userfiles/files/85813394547.pdf
- https://ikincielinmak.com/upload/ckfinder/files/22399734197.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/0757a8a57d255c0a12ffdc1c425a6488/sorisipibokolaxiget.pdf
- https://namlongadc.vn/uploads/news/files/lawapibe.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/160941693c2a8a---toxidakofiwuzoroxisigo.pdf
- https://paperland.bg/uploads/file/99815118899.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3be7d0810e---23540092495.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/df3a24feccb59b189df5bdc7f43000ba/75457393720.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=color+with+letter+h
- 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_off0000d550.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD550 | 16792 bytes |
font_01_sfnt_off0000ed62.bin14ee9236db8ea301610ff3ce19febac931104da88fa19ae5a150f95916a48a07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED62 | 17780 bytes |
font_02_sfnt_off00011abf.bin6e125be19dc5db4d3a9af7801a1d7e1c5bb1720a5c2a717819e45e0cc0fc95ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ABF | 9888 bytes |
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