MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised or disposable hosting, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated and unreadable, providing no direct content clues, but the overall structure and URL analysis strongly suggest a malicious link aggregation tactic.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://xo-sound.ru/userfiles/file/jilakubawefezoxozepisinid.pdf In PDF document text
- http://maradonasalud.com.ar/ckeditor/ckfinder/userfiles/files/87045265672.pdfIn PDF document text
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16089c0663810e---1929229297.pdfIn PDF document text
- http://usagimatur.com/files/others/69947206296.pdfIn PDF document text
- http://karmand24.ir/basefile/ehotel724ir/files/zebemigota.pdfIn PDF document text
- http://bjbtrh.com/files/pic/file/85544300133.pdfIn PDF document text
- http://duda-tech.pl/dudatech/upload/file/86792470917.pdfIn PDF document text
- http://lorichphoto.com/pictures/file/delugonopetiravofapifo.pdfIn PDF document text
- http://lawyermo.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33675752988.pdfIn PDF document text
- http://jaatkinson.com/userimages/jetixigir.pdfIn PDF document text
- http://matchedtubes.de/userfiles/file/10119990838.pdfIn PDF document text
- https://mvpartners.be/images/uploadedimages/file/10481017497.pdfIn PDF document text
- https://acryl-bg.com/userfiles/file/rubuki.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/dk5buvp8inmgsim4tlfsigfndv/reralanapopiniluxasotovod.pdfIn PDF document text
- http://xiaohecollege.com/d/files/51861703063.pdfIn PDF document text
- https://tidurmalam.com/contents//files/funozepokudubetaluxom.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/jo36vtkej5g5t9eqbebkj0nr17/39211039311.pdfIn PDF document text
- https://altinhediyeler.com/calisma2/files/uploads/razibojetilisadinuget.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/vudenesixanopagerokekixan.pdfIn PDF document text
- https://otartufo.com/ckfinder/tartufofiles/files/47615183338.pdfIn PDF document text
- http://ozanatalan.com/iboard/includes/userfiles/files/57712456094.pdfIn PDF document text
- https://divorcioconsensual.com.br/wp-content/plugins/super-forms/uploads/php/files/925d1a3a47c2cb247f2c7bef7ba499da/jixevofasim.pdfIn PDF document text
- http://alimentosldm.com/userfiles/file/koxetebi.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=go+math+grade+4+answer+key+homework+bookPDF 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_off0000d5aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5AA | 11104 bytes |
SHA-256: 1f55e43b3590cd028ade0c91984eaf003439b072e97a24f6ce38079a1dbaac93 |
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font_01_sfnt_off0000ef5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5E | 17496 bytes |
SHA-256: 28d5f4aa322a28ac116039dc967d7cecaec9376e31ec7a4fa9dca768ea6daca6 |
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font_02_sfnt_off00011d7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D7A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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