MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains numerous external URLs, many of which are hosted on compromised or disposable domains, suggesting a link farm or redirection mechanism. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports the malicious intent of directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://allytemp.ru/uplcv?utm_term=kingroot+apk+android+8 PDF link annotation
- https://rmp-traueranzeigen.de/cms/files/newumugepivebovumevipapab.pdfIn PDF document text
- https://y3stwk65l-mn9.com/contents/files/33664835498.pdfIn PDF document text
- https://jazykovytabor.topenglish.sk/app/webroot/gallery/files/88622740201.pdfIn PDF document text
- http://glamour-nsk.ru/ckfinder/userfiles/files/rasamoda.pdfIn PDF document text
- http://oprandi.it/userfiles/files/59996131517.pdfIn PDF document text
- https://arrayamed.com/userfiles/file/64700236573.pdfIn PDF document text
- http://jtylek.pl/Upload/file/waregero.pdfIn PDF document text
- http://olech-rzeszow.pl/userfiles/file/migot.pdfIn PDF document text
- http://beijingteye.com/upload/files/zopikokidotobak.pdfIn PDF document text
- http://www.sunriseacademy.in/ckfinder/userfiles/files/48882987268.pdfIn PDF document text
- https://groupunsur3.com/contents/files/porokasozabip.pdfIn PDF document text
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161483c7658089---53873042283.pdfIn PDF document text
- http://dochoiotovn.com/uploads/userfiles/file/15426417141.pdfIn PDF document text
- https://hyosungulf.com/uploads/file/3595505181.pdfIn PDF document text
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/3a56a77096a8cd4851810f3476f9e540/nuxorilozemanubugomemod.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee26e90abf---mirilelutobofofupatuni.pdfIn PDF document text
- https://equalitas.es/userfiles/file/rituwivilujuwaxo.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/kugamunebogofumekululemif.pdfIn PDF document text
- https://premiersuli.hu/files/files/85123323960.pdfIn PDF document text
- http://studiobaliva.eu/userfiles/files/xukomosuwome.pdfIn PDF document text
- https://aslimitada.com/userfiles/file/76638403190.pdfIn PDF document text
- http://de-ko-gmbh.com/ckfinder/userfiles/files/kisuzogimipasesazan.pdfIn PDF document text
- http://asvpp.fr/pdf/44025211189.pdfIn PDF document text
- https://simorgh.it/uploads/file/vikutilu.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_off0000c298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC298 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000daaa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAAA | 16864 bytes |
SHA-256: 24090a980bad2826729c4773dabe215d37163ecc13d7f88517693b101957df43 |
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font_02_sfnt_off0001063e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1063E | 10512 bytes |
SHA-256: a7a5c432ef8222b871b31d99cd08fa0b5a0459011822fd792130841bdd3961b6 |
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