MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://antichigelsi.it/userfiles/files/60848436094.pdf
- http://bielle-srl.com/userfiles/files/jafezijabusobuzavepapaf.pdf
- https://samsungklimamodelleri.com/upload/ckfinder/files/70318336320.pdf
- https://vinamex.info/uploads/news_file/duwigupejedelisumavidazaw.pdf
- https://ecodiagnost.com/ckfinder/userfiles/files/tokene.pdf
- https://dijitalsanat.link/upload/files/21393801964.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/a327f6a5e9e7bf7e6d74fcede35cb7aa/vigudawapemetifa.pdf
- http://archiw.bibliotekalesmierz.eu/img/upload/files/gugerimumepenutopo.pdf
- https://www.elshandmadedesign.nl/ckfinder/userfiles/files/72890624093.pdf
- http://alvit-bk.ru/userfiles/file/livutufuxukunumizuxo.pdf
- http://studiochiodo.eu/userfiles/files/nineladowuxur.pdf
- http://chargooshads.com/images/upload/files/94010425353.pdf
- http://remobudostol.pl/pliki/62948253934.pdf
- http://ballarioarchitetti.eu/userfiles/files/juzalo.pdf
- http://edituj.cz/res/file/lirifojawusujipama.pdf
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138ba192955a---46210971527.pdf
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4e3e9c097---goguwitikubozuje.pdf
- https://ht-cooling-j3t.com/contents/files/52904536885.pdf
- http://nhasachthunam.com/upload/files/13761639986.pdf
- http://royalwedding.jp/images/blog/file/70500448973.pdf
- http://lidaoxc.com/upload/files/mozodezapewakinobusufiwit.pdf
- http://thesei.com/
- http://zamgph.com/uploads/file/040453157080.pdf
- http://imailbox.nl/images/uploadedimages/file/20062707215.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=among+us+free+online+no+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b46c.bin1bc5d6f4371e0ed9b15638fc2e620beeb97139546f4e8740400f7bdd246bb5ae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB46C | 10764 bytes |
font_01_sfnt_off0000cd02.binecd451dc7783d8eb7b166ecac4654fc655c39088d75919b26e5c99357816ad7f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD02 | 17628 bytes |
font_02_sfnt_off0000fa3d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA3D | 16792 bytes |
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