MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics indicates an attempt to lead users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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 https://www.kindspring.org/inc/ckfinder/userfiles/files/37789796678.pdf In PDF document text
- https://ruh-center.ru/userfiles/file/96808983026.pdfIn PDF document text
- http://beerskiboot.com/img/upload/file/45700980696.pdfIn PDF document text
- http://www.expertnutritionadvisor.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f07c382ab71---40376267420.pdfIn PDF document text
- http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xomarevuxudebunukonewewa.pdfIn PDF document text
- https://diphong.com/uploads/12859286533.pdfIn PDF document text
- http://www.seminariomenorvalencia.com/admin/lib/ckfinder/userfiles/files/sakovumevoxasoru.pdfIn PDF document text
- https://palet-school.com/files/files/vitugerogadu.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0a92fb9f7cf0eb423f6a0a48365a240d/59667296420.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/29184467764.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/27c24577d4529bce5f6af7282ecaa4ce/65516046098.pdfIn PDF document text
- http://skncn.com/u/files/32357239672.pdfIn PDF document text
- http://galerie45.com/userfiles/file/fekuve.pdfIn PDF document text
- http://ebrinteractive.com/userfiles/file/71656513598.pdfIn PDF document text
- https://rcot.org/userfiles/file/sobepisilosewezo.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607754d02ed3f---girotezevonuginuwej.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092eb69748d2---43330146985.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/mos7oeq5canojm31hteb1q9lf4/sewazejuvumazi.pdfIn PDF document text
- http://luchetti.it/userfiles/files/japod.pdfIn PDF document text
- https://itchanoi.vn/uploads/news_file/kapizudumuvilokumomavub.pdfIn PDF document text
- http://globalnetworks.de/www.galabau-poscher.de/main/preview/ckfinder/userfiles/files/66419120073.pdfIn PDF document text
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607acb8a7376e---11989495646.pdfIn PDF document text
- http://esejsc.com/upload/files/kabufuvatuvujofuvutuxoz.pdfIn PDF document text
- http://albatrossmrn.com/konadnew/userfiles/file/50090433359.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc7524be89---6024344975.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=age+of+empires+3+definitive+edition+british+guidePDF 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_off0001482a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1482A | 17660 bytes |
SHA-256: 332b558761b3fa18cb4f80ac6fa97a1c19e18623f79f37720f6ea5ce2fda8ff2 |
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font_01_sfnt_off000176cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x176CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018ee4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18EE4 | 11196 bytes |
SHA-256: eade615cecfe3831dec7142096c60bf0eab1484a909ca960fa2b5c50d0c8086f |
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