MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. While no scripts were explicitly extracted, the nature of the embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a phishing or SEO poisoning attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://traslochimontalto.it/userfiles/files/pajolapufexarir.pdf
- https://ristovski.mk/public_html/upload/userfiles/file/rigesajidadef.pdf
- http://huyndaicaudien.com/upload/files/xoseso.pdf
- http://anapharmata.hu/ckfinder/core/connector/php/files/rufulalusamubenemogu.pdf
- https://ltes2.tw-goods.com/UserFiles/files/jezosobomivuj.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16142077e330a7---31595210291.pdf
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/1614626afbdb02---vukusibitagapugarubukoraw.pdf
- http://yokohama-model.com/userfiles/files/xibini.pdf
- http://fusen-es.info/yamituki-n/uploads/files/32425910362.pdf
- http://teleserviciomalaga.com/ckfinder/userfiles/files/78268202998.pdf
- http://dworbieland.pl/userfiles/file/ponigabavokup.pdf
- https://atpl.aero/ckfinder/userfiles/files/19128499363.pdf
- http://allier.proximeo.com/ckfinder/userfiles/files/muwovadizazute.pdf
- https://www.hippocratio.gr/ckfinder/userfiles/files/42770452097.pdf
- http://tarnava.eu/user_images/file/15844622277.pdf
- http://somsit.com/ckfinder/userfiles/files/vemoj.pdf
- http://hcbarrett.com/user_area/file/80580302718.pdf
- http://pphjako.pl/userfiles/file/pepixamopikimadefot.pdf
- http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359cf491cc8---4576309795.pdf
- http://bscartridge.com/pic/60935006294.pdf
- https://musluogluotomotiv.com/upload/ckfinder/files/fifokogobimuk.pdf
- http://coolscape.info/images/files/97726465143.pdf
- http://www.sport-konyv.hu/userfiles/file/98486479590.pdf
- http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/tunp91caluu5ok360c60qfpp5u/zabexajopo.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+find+hidden+text+messages+on+android+phone
- 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_off0000b4a1.bin9d4b2c19aad606bebf6a351c5fe84d970e9753888caa6176a4c3a09aa0d76bb2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4A1 | 18368 bytes |
font_01_sfnt_off0000e3b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B1 | 16792 bytes |
font_02_sfnt_off0000fbc8.bin72e8891c85329a56c49bad07187778e1b22ca65739314519733f05373112ab00 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBC8 | 11076 bytes |
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