MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. The heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS uploads. The presence of numerous unknown URLs suggests a distribution or phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9901
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://onlineticketreview.com/images/file/54715498592.pdf In PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/085b86d40a995a689d940d8554253fac/72329220356.pdfIn PDF document text
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085a8372c797---60841037367.pdfIn PDF document text
- http://szymonadamczyk.pl/uploads/fck/file/99154037407.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/nubolewositikod.pdfIn PDF document text
- http://www.psstrecno.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7c70f0e65---6854059514.pdfIn PDF document text
- http://dhleisure.com/ckupload/files/wikitekiwilupuzibe.pdfIn PDF document text
- https://gabconstruction.com/ckfinder/userfiles/files/40252992363.pdfIn PDF document text
- https://grouptm2.com/contents/files/10246560910.pdfIn PDF document text
- https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac219bc09a9---94411564279.pdfIn PDF document text
- http://learnersdigest.org/userfiles/file/biwutuvojezavitepavakiv.pdfIn PDF document text
- http://indecomavo.pl/inc/muzaku.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/a23cd232c9f313441b4e67fdae829881/kibuxu.pdfIn PDF document text
- https://rdsdealers.com/ckfinder/userfiles/files/52402025764.pdfIn PDF document text
- http://toeicspeaking.net/_UploadFile/Images/file/84201354526.pdfIn PDF document text
- http://raylutickenterprises.com/userfiles/files/39857427436.pdfIn PDF document text
- https://uniqrelation.com/userfiles/file/fuboxelidogalasusirobom.pdfIn PDF document text
- https://grandmake.com/userfiles/62668344565.pdfIn PDF document text
- https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090b65bd0dc4---xoragotoju.pdfIn PDF document text
- https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/kowif.pdfIn PDF document text
- http://vanillasky-ch.com/images/files/90615644844.pdfIn PDF document text
- http://bloomx.com/sites/all/sites/bloomx.com/files/tixudovebetisovuwu.pdfIn PDF document text
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/gakajixipowowafex.pdfIn PDF document text
- http://nage-z.com/ckfinder/userfiles/files/woxefaf.pdfIn PDF document text
- https://dammesliepas.lv/ckfinder/userfiles/files/biwexi.pdfIn PDF document text
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/in4efk9v9adojcahjkon0dgdu3/86733684745.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16081347264308---80414591847.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=spell+check+pdf+online+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c7eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7EB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFD | 15416 bytes |
SHA-256: 49e3d45ece6c3be59f7594d2869b7c7b154932f1080c7dd9d4981bec7876de27 |
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font_02_sfnt_off00010733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10733 | 10456 bytes |
SHA-256: fd62cfc2a3781725aff9bd605edd7db8720c5ef72276e9f798a5c268d0a75088 |
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