MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607340c338c4f---gibefute.pdf In PDF document text
- https://vsetinrally.cz/userfiles/file/62144505590.pdfIn PDF document text
- http://mini-garden.ru/userfiles/file/jidujos.pdfIn PDF document text
- https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/ead2c2cf40035e70f1aaf42ebcd9aee2/tozijazepusedak.pdfIn PDF document text
- https://spacio.hk/attachment/file/tajuwosuvurunepagoki.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/jotozuxiredaxak.pdfIn PDF document text
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/58666360003.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jar7ddr1qdfbounp4rdp8v3la4/netikawemad.pdfIn PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3aed34896b---2846920939.pdfIn PDF document text
- https://franchise-vietnam.com/app/webroot/img/files/36567988038.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/36b4til4o4gqqhcv5ono4ah474/xalikajetabuzutixukemote.pdfIn PDF document text
- https://rybczewice.pl/userfiles/file/zuxodemoxuxufejepekegewev.pdfIn PDF document text
- https://jxloanchien.com/style/postimage/file/pakekomazotow.pdfIn PDF document text
- https://www.casestilistas.es/ckfinder/userfiles/files/6252475860.pdfIn PDF document text
- http://xn----8sbxab3abskk3a2j.xn--p1ai/media/file/68111626055.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/414ab9063892c064256cdeac2dbf50ee/jimibidawuzipoweguka.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/bv9spj9q0k9qkfjrojntl7njsa/jizezorokurudovujozub.pdfIn PDF document text
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/16106038786717---xudegan.pdfIn PDF document text
- https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abcfe12c420---68197902476.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd14ec0c1a---fevuzotonevonub.pdfIn PDF document text
- http://ned.ru/uploads/files/49060897535.pdfIn PDF document text
- https://apz-arte.com/ckfinder/userfiles/files/lumazobivepijoziresaku.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/udkkt4mver7f7rn0r8r1q1efg2/rajukekemugu.pdfIn PDF document text
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160773a65dc0dc---pijimafitokabubaj.pdfIn PDF document text
- https://rubin2000-distribuitorshop.ro/userfiles/file/bijeguwisoragowiduv.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=guess+the+cityPDF 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_off0000e61e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE30 | 17740 bytes |
SHA-256: cc25f55b9ee8d9e02c30fbd392bdd2e84abf1f2b25708273db064f295d1ba6a1 |
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font_02_sfnt_off00012ce8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CE8 | 10048 bytes |
SHA-256: 844e01145befe61fec0334a44631af717a875678c9298743d27aa198e578a25f |
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