MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9966
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 https://pointwebhost.com/calisma2/files/uploads/kunavivizejuf.pdf In PDF document text
- http://mariancozma.com/_user/file/debemuwigarazajuxubila.pdfIn PDF document text
- https://schodyperfekt.pl/user_upload/file/xinolagexazorape.pdfIn PDF document text
- http://cdn.eagle.mn/uploads/userfiles/files/tixonemomad.pdfIn PDF document text
- http://pincailight.com/zk/UploadFile/file/2021101721481173499.pdfIn PDF document text
- http://xinyaoqiye.com/upload_fck/file/2021-9-21/20210921062949173097.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/a1e86ceadf715cea1ad5ca5165cdeb5b/zunarazevejowig.pdfIn PDF document text
- https://webshopplus.nl/app/webroot/files/userfiles/files/penewijoboxuvojusupo.pdfIn PDF document text
- http://bowlingkillers.com/imgdb/files/91087298257.pdfIn PDF document text
- https://borgopitti.it/userfiles/file/20646451121.pdfIn PDF document text
- https://congtydaihai.com/upload/files/bozinerivu.pdfIn PDF document text
- http://rarahil.org.np/ckfinder/userfiles/files/muriwerufexosetap.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1617cc8276d922---taxopujupukelopim.pdfIn PDF document text
- https://urologasdainys.lt/userfiles/file/61541844848.pdfIn PDF document text
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161793bd117f74---zavumilabepe.pdfIn PDF document text
- https://cukimentescukraszda.hu/files/files/bovanezom.pdfIn PDF document text
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/1617c55aa79d95---9558666535.pdfIn PDF document text
- http://orthocarecentroortopedico.it/userfiles/files/kazef.pdfIn PDF document text
- http://suurelepa.ee/data/file/72139011896.pdfIn PDF document text
- https://cfacgroup.com/uploads/FCK_files/file/rabasovikefa.pdfIn PDF document text
- http://www.umadai.com/ckfinder/userfiles/files/turuvixenedupukuxu.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/liwitatajokewamo.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/4dZi1sgP-vI/uplcv?utm_term=swedish+for+pleasePDF 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_off0000a5fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA5FB | 17016 bytes |
SHA-256: d13f3256f7d7aa73c428f4a90176c7beb6ccff8079b26c40002b6096a3f862d3 |
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font_01_sfnt_off0000d118.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD118 | 16540 bytes |
SHA-256: 45015263e28dbf00792e0fa83ae0fb9123af5110209f191c00797c49350166ef |
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font_02_sfnt_off0000e83e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE83E | 10552 bytes |
SHA-256: a485b40a5e088c7b93602b2975b2e27f0ae98218b40c412356bf6fa3ad1b8b6f |
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