MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised WordPress upload storage and other domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm its malicious nature, likely as a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://daiichilogistics.com/uploads/news_file/nufedikalelosanelewininon.pdf
- https://prolocolidodisavio.org/ckfinder/userfiles/files/49214850137.pdf
- http://studiolorenzino.eu/userfiles/files/katuwatobidekozutugivajum.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136bafa48208---zakoreta.pdf
- http://mis.nrru.ac.th/gradjournal/ckfinder/userfiles/files/30776674921.pdf
- https://mystruggle.uk/indigo/ckfinder/userfiles/files/zasozerurazojalonojisun.pdf
- http://birizgardenhotel.com/userfiles/file/9924041269.pdf
- https://kozhikodedeaf.org/admin/my_files/file/52154103284.pdf
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/161381f2a03fc9---77276216494.pdf
- http://thangmayedex.com/webroot/img/files/67594207472.pdf
- http://hangnhatbanonline.com/upload/files/namapawexamawatunisirobej.pdf
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/16139d2eaaa5af---salag.pdf
- http://kes.org/upload/editor/files/14984556789.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612fa64ddbcef---luwepegigategazux.pdf
- https://petek.biz/resimler/files/vuxirumadu.pdf
- http://pospatrans.cz/UserFiles/File/zuvobufuxetiwemutatibapa.pdf
- http://hyunshin.net/userfiles/file/dofurunikelumemidumo.pdf
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161306d3c5cfd0---numudajabubepafixilotu.pdf
- https://majubesar.info/contents/files/jugurefulag.pdf
- http://fittbikese.hu/files/file/fewin.pdf
- http://el-system.jp/uploads/2012/files/xelasavujepebiminubef.pdf
- http://gruaszarate.com/ckfinder/userfiles/files/59887743793.pdf
- http://hzeiger.com/userfiles/file/3875710889.pdf
- https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/sdvkfsofav0knb4bhc0cmmd73q/giremaf.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=android+porn+tube
- 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_off0000de5a.bin06f9628ef450755520b246523693ae514fa51d90307372c4d1f4438b327c8d48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE5A | 17752 bytes |
font_01_sfnt_off00010bc5.bincf01afba41cfa0d59e3250b7e9d49d55a6721b4fdc4c84566e6ae6add9027bcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BC5 | 10228 bytes |
font_02_sfnt_off00012298.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12298 | 16792 bytes |
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