MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS uploads, suggesting a link farm designed to lead users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://sowiik.pl/userfiles/file/molizobegukevisadubil.pdf In PDF document text
- http://plise.org/userfiles/file/nudaruwagugikagixadukeji.pdfIn PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/72872088073.pdfIn PDF document text
- http://sineadstone.com/userfiles/file/80412341817.pdfIn PDF document text
- http://brandiassociati.it/userfiles/file/37156370623.pdfIn PDF document text
- http://whkmradio.com/userfiles/file/taxaf.pdfIn PDF document text
- http://quocteanviet.com/img-chamthi/files/zunuganuzetetakovupo.pdfIn PDF document text
- http://solartgaleria.hu/images/file/45656850165.pdfIn PDF document text
- http://bookblog.kr/data/file/files/67477928528.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/f8db296e586bded0f156abccc46c30f5/basukunevenojebevixogeve.pdfIn PDF document text
- http://ng-sons.com/userfiles/file/66595450785.pdfIn PDF document text
- https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1956cbdc4---89748019661.pdfIn PDF document text
- https://mvmdigital.gr/files/files/8392649211.pdfIn PDF document text
- http://roycraft.ca/userfiles/file/1595186499.pdfIn PDF document text
- https://vantainoidia.vn/ci/userfiles/files/95396606557.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eee536c0b7---40724518054.pdfIn PDF document text
- https://fotografski-studio.kost.si/userfiles/file/melodajot.pdfIn PDF document text
- http://resetimpianti.it/reset/public/file/dumigekugulelevi.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/56803518774.pdfIn PDF document text
- https://perfecthospitals.com/FCKeditor/file/gebolewogekur.pdfIn PDF document text
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/55643565581.pdfIn PDF document text
- http://apex-architect.ru/images/file/wenibomojomujadux.pdfIn PDF document text
- http://czytamzezrozumieniem.pl/userfiles/file/mepijewebalumeladoz.pdfIn PDF document text
- http://hiniceshine.com/upload/dozoxitinoza.pdfIn PDF document text
- http://leaders-adv.net/userfiles/file/zetakefa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=guyton+latest+edition+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_off0000d4f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4F4 | 18528 bytes |
SHA-256: d1260c5fef776cb482b971e620ede8ad857b2cef6ca88f9c1dc858e23fa53551 |
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font_01_sfnt_off000104fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011d11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D11 | 10644 bytes |
SHA-256: afcebcfaf6c1de906cd34fd66ae255044efabc5bca11021f941789a79fe66cfc |
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