MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as a phishing trojan by ClamAV and flagged by an ML classifier. It contains numerous URLs, many hosted on compromised WordPress sites, suggesting it functions as a link farm to distribute malicious content or phish users. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates it may also instruct users to decrypt a payload, further supporting its malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://philabc.ru/uplcv?utm_term=cambridge+preparation+for+the+toefl+test+4th+edition+answer+key+pdf PDF link annotation
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/bo035dhrj7sgn8vs4ddubkfsg2/rimewefupogosatafireden.pdfIn PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/36d6dff67e1ccb8af804d3cc17e8a604/modozonuwiludazomajunuze.pdfIn PDF document text
- https://atlas-consulting.ro/fckeditor/fisiere/file/20447467578.pdfIn PDF document text
- http://energy-labels.nl/userfiles/file/suvonado.pdfIn PDF document text
- http://capitaldanceacademy.com/userfiles/files/54616920167.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/36092491332.pdfIn PDF document text
- https://radekslodkiewicz.pl/files/file/81171883486.pdfIn PDF document text
- https://btsis.com/upload/ckfinder/files/ririradujurojizeseginu.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/35790948329.pdfIn PDF document text
- http://sugarfree-gelato.com/upload/file/vaterapixekafemusejuparib.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/zowebilutagepunifibe.pdfIn PDF document text
- https://arch.ua/ckfinder/userfiles/files/80319543191.pdfIn PDF document text
- http://eminenceinc.com/userfiles/file/foliz.pdfIn PDF document text
- http://vouchertiket.com/airplane/ckeditor/uploads/files/79280163182.pdfIn PDF document text
- http://thegioidahoacuong.com/uploads/image/files/34207084519.pdfIn PDF document text
- http://vet-arrighicolangelicristilli.eu/userfiles/files/24371779792.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/e8ee936a3c55d808f5855d6284a4b5b7/67537801405.pdfIn PDF document text
- https://laatjehuisweerstralen.nl/upload/file/84059222523.pdfIn PDF document text
- https://okazionche.com/files/nizonisuzo.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/nobatazum.pdfIn PDF document text
- https://robodom.si/files_vsebine/kuzerameleduxanim.pdfIn PDF document text
- 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_off0000d397.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD397 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ebae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAE | 11484 bytes |
SHA-256: 8dba38a44316191c9ae41a9523573058aa59ec704ad870c7da04c96b5a6842ea |
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font_02_sfnt_off00010652.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10652 | 20220 bytes |
SHA-256: 34fe28925c2390ea4dd2a81b3847a6c725b21c1a688783c0251491b0585197c2 |
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