MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to potentially malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. The presence of external URI heuristics and link farm indicators further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://archism.ru/uplcv?utm_term=fly+launcher+apk PDF link annotation
- https://magnanelli.com/userfiles/file/65829556454.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/80802215049.pdfIn PDF document text
- http://nemochem.cn/upload/files/52193225446.pdfIn PDF document text
- http://shinaval.ru/userfiles/file/17465882785.pdfIn PDF document text
- https://sistemagestiondpr.com/userfiles/file/tagaxetitimirux.pdfIn PDF document text
- https://onlineadda.organicemall.com/ckfinder/userfiles/files/tewidoda.pdfIn PDF document text
- https://bititechnika.com/uploads/file/beresovofiwisupodumeg.pdfIn PDF document text
- https://hankilfood.com/userfiles/file/20210916125021.pdfIn PDF document text
- http://aktifithalat.com/resimlerfiles/77509691437.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/20068183484.pdfIn PDF document text
- https://mujeresenmovimientoplus.com/userfiles/file/sasubep.pdfIn PDF document text
- http://nuklearmedizin-amro.de/userfiles/file/99069006732.pdfIn PDF document text
- https://tyeetomsfishing.com/userfiles/file/naxajetoris.pdfIn PDF document text
- http://shiokuda1.com/contents/files/82850548879.pdfIn PDF document text
- http://dreamwith.gni.kr/ckupload/files/59011914339.pdfIn PDF document text
- https://daaeportrett.no/upload/file/vosijunumisezadusosusi.pdfIn PDF document text
- https://bompentax.com/quangbasanpham/app/webroot/upload/image/files/63015738962.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/58925768025.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149423bf1b47---15215604879.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/ej48afr7828s9kggeb4lc399eg/nizerowupakunafodiga.pdfIn PDF document text
- https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/161339b8ee04d2---faxuzasujovudowanunabuli.pdfIn PDF document text
- http://idealthailand.com/file_media/file_image/file/1566382740.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/30018641116.pdfIn PDF document text
- https://wintechindia.in/ckfinder/userfiles/files/42831242792.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_off0000c10e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC10E | 18020 bytes |
SHA-256: d59ad196dff7c7834923a198cb17aac67da8313086b7278f04d4487a477d9e8a |
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font_01_sfnt_off0000f000.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF000 | 10276 bytes |
SHA-256: ab06ba1bb24dbd3af825982f57adc1f3f50ec7d493e08668ccc2174ff09ad6e1 |
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font_02_sfnt_off0001070a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1070A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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