MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised or disposable hosting sites. The embedded URLs, such as http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608695bace855---zijovenabiw.pdf, are likely intended to host or redirect to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://atthaya.com/file_media/file_image/file/22862182736.pdf In PDF document text
- https://farmaciasacoor.com/site/upload/file/zenodaza.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608695bace855---zijovenabiw.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16093b45e9ffd4---43923749607.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/dunijulagulasiguj.pdfIn PDF document text
- https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1a1ded8e11116877a4a6a4a4a936ea2e/wojog.pdfIn PDF document text
- http://wwm-quanta.com/upload/files/lipelivut.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/37477298454.pdfIn PDF document text
- http://muabannhagiare.net/images/uploads/files/66847968281.pdfIn PDF document text
- http://kielcenoca.pl/files/file/47735442439.pdfIn PDF document text
- http://nobody-films.com/bpms/includes/fckeditor_uploads/userfiles/file/nowitig.pdfIn PDF document text
- https://treasurehunterdetectors.com/ckfinder/userfiles/files/divumewixekilisuzomewowis.pdfIn PDF document text
- https://marigabung.com/contents//files/58456819929.pdfIn PDF document text
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610fb6a41404e---41117000425.pdfIn PDF document text
- http://thesecurityguardunion.ca/userfiles/files/53437040904.pdfIn PDF document text
- http://logisticsnetworks.net/ckfinder/userfiles/files/zazal.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160be6f20f08d6---salov.pdfIn PDF document text
- http://lg-palette.com/upload/files/tawonizasaw.pdfIn PDF document text
- https://efficientinfocomm.com/ckfinder/userfiles/files/jaridalixose.pdfIn PDF document text
- https://fotoprint.lv/downloads/file/22903279160.pdfIn PDF document text
- http://195exim.com/datas/files/dinukarudebidezopur.pdfIn PDF document text
- http://teaneckhs1977.com/clients/67867/File/83665549575.pdfIn PDF document text
- http://pauseforserenity.com/clients/1/10/1002a5d8b3740fc7390aa1937d1ec3ed/File/50561291766.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=reddit+downvote+bot+onlinePDF 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_off0000d7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD7FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF015 | 10148 bytes |
SHA-256: 6e105cb762c2248d04cd0bd116d10ddbdc2a56b8fe6e6de30a97da69025ce42c |
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font_02_sfnt_off000106e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106E5 | 17008 bytes |
SHA-256: db639168c8e6bac64396ec8949ec94f5b7d9d410c1156807cb0d85b09bcab4ab |
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