MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to malicious content. No scripts were extracted, but the presence of external links and the overall heuristic profile point towards a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://perfekttorun.pl/pliki/39098767745.pdf In PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db1a5372b5e---molesajipibiboguzikog.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080fab84187a---29167959315.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160822acd82feb---80667450099.pdfIn PDF document text
- http://safeabortionnepal.com/userfiles/file/61153701694.pdfIn PDF document text
- https://xpress2.eu/ckfinder/userfiles/files/taxuranakoxuji.pdfIn PDF document text
- https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/6437448d8e6c2bddba399eeea333d56f/mujuvibemefoxuxodanivij.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1607c00e177ef2---fejijelupekututusirirafo.pdfIn PDF document text
- https://proetcontra.hu/userfiles/file/bisalomowobigavidawonowe.pdfIn PDF document text
- http://tamlaproject.com/userData/board/file/xepobuvebonopitekipir.pdfIn PDF document text
- http://www.cemeba.com/uploads/ckfinder/files/80739681797.pdfIn PDF document text
- http://minhledtran.com/luutru/files/bonukuzo.pdfIn PDF document text
- http://air-ned.com/uploads/files/67937152633.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/19a1075e682d5614082f3b1293ade59e/sifirijo.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6b3bf41f38---55913554516.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/a2c1c34f1ab915f015238a8ddd638000/galelukubojanafikave.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a5df22a9840---fepewizedibejizab.pdfIn PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e93d0c08e4d---68613618035.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/2ff8037e8fc9930371b6fae64814a60c/1897768383.pdfIn PDF document text
- http://prosquash.by/data/54513545.pdfIn PDF document text
- http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5fcf33a8ff---vupasunev.pdfIn PDF document text
- https://gaziemirkentkonseyi.com/upload/files/1116605224.pdfIn PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/xenedobanud.pdfIn PDF document text
- https://www.dartmusicfestival.co.uk/wp-content/plugins/super-forms/uploads/php/files/30b50b7f7e4ca86a02284d122e9eba30/51990373468.pdfIn PDF document text
- http://atya.eu/files/file/42953403124.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/zisopawumajuvemob.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=advantages+and+disadvantages+of+3d+internet+pdfPDF 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_off0000de49.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE49 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f65b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF65B | 17180 bytes |
SHA-256: 9033e048894169ceec07225181be6dc7e561d5d64253c49b5f942483a5137b9f |
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font_02_sfnt_off00012316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12316 | 10844 bytes |
SHA-256: 6e1e3092161c7c4e0666bc70a5e98f01ee3de36f129c31de7453bd08d267e1fa |
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