MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicative of a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution. The document body is unreadable, but the heuristics and URLs point to a pattern of redirecting users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://hoshitorionline.com/uploads/files/witimo.pdf In PDF document text
- http://lamay.de/userfiles/file/nolunopavivanejejasesebon.pdfIn PDF document text
- http://savvyais.com/userfiles/file/tesakutaw.pdfIn PDF document text
- http://devitohomesorlando.com/userfiles/files/60027862976.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/24552527925.pdfIn PDF document text
- http://uniradioweb.info/userfiles/files/40626680973.pdfIn PDF document text
- http://xn--e42bt3l.net/upfile/files/xatugupogixo.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7f5db588c---fugew.pdfIn PDF document text
- http://hightopeducation.com/cms_uploaded/file/renefetarafuwozizonepog.pdfIn PDF document text
- https://sportuna.be/ckfinder/userfiles/files/fetuwavunujitonatun.pdfIn PDF document text
- http://ahknchem.com/upload/files/kaluziridelidexuro.pdfIn PDF document text
- http://madmojo.com/fckupload/file/84085074381.pdfIn PDF document text
- http://czpohledavky.cz/userfiles/files/sigirafomaxos.pdfIn PDF document text
- http://nsdadventist.org/FCKData/file/zivodas.pdfIn PDF document text
- http://k1a.ru/images/files/file/86649498614.pdfIn PDF document text
- http://www.oomewatersport.nl/upload/files/97640286605.pdfIn PDF document text
- http://donateagift.eu/userfiles/file/nibutet.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/nexekus.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/votuzavelamiriren.pdfIn PDF document text
- https://cs168.tw/upfiles/editor/files/rademerupozuniradinuba.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa6f7c19fb---fipugawosetapebegupo.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161384b7a05cb8---movasuravezitivibax.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=connect+ps3+controller+to+android+bluetooth+without+root+no+otgPDF 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_off0000ebc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBC2 | 11320 bytes |
SHA-256: 21f3d6b130f4d8e4827f140a77b26f434e665ef6b67448818c0697048839d704 |
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font_01_sfnt_off000105f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F7 | 17256 bytes |
SHA-256: fd3b91e1e94689c6b3080620251f52dd4686abeb7b3614b4c7ab1ef3efd0c046 |
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font_02_sfnt_off000131f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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