MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, indicating a link farm designed to redirect users. ClamAV detection and ML classification confirm its malicious nature, specifically flagging it as a phishing trojan. The presence of external URI heuristics and compromised CMS upload links strongly suggests the intent is to host malicious content or facilitate phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://philabc.ru/uplcv?utm_term=puzzle+to+puzzle+you+pdf PDF link annotation
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf479c3c918---71000835177.pdfIn PDF document text
- http://teacherandtraining.com/coj_u/KK/userfiles/files/20085461288.pdfIn PDF document text
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/55e375843a1bef804adfd466b4f13304/77012766199.pdfIn PDF document text
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607747f663ad7---kumazexigowulonitij.pdfIn PDF document text
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e5bd861fb---xesitulakalorajafijadi.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/7d1p3itaa7p6s82to92hegojne/86631492157.pdfIn PDF document text
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/828940d44ddc1e0cf57eed28221566b2/jibewewezawezavoso.pdfIn PDF document text
- https://yellowstonewildlife.com/fawaf.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ffc88b50b---gakevorigipifojapusu.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084fd4c35b38---8997209902.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/fononaliriduverovaligami.pdfIn PDF document text
- http://omg.su/upload/File/89327761745.pdfIn PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/c884d2caf8bedc27309aaea792bfa93b/folumoxebatudavebi.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca03956064---42801536256.pdfIn PDF document text
- http://www.scsi.coop/wp-content/plugins/super-forms/uploads/php/files/6e05c9113f55269690f9731200741e8b/97156161794.pdfIn PDF document text
- http://stacjaregeneracja.pl/userfiles/file/70387789112.pdfIn PDF document text
- https://connect.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/eafe91c25c8c30eb404dc710af0627ca/kudegitaxigofujaribeb.pdfIn PDF document text
- http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/89468dklpq72dm7r1rnfrtvfm0/29794105458.pdfIn PDF document text
- https://abeess.com/userfiles/file/malugixunefazorojudob.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f36fe08120---8785147844.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16094d482a1d72---kokegaf.pdfIn PDF document text
- http://mesterek.net/tmp/jawobeguvaposuno.pdfIn PDF document text
- https://xn--80aaa1anac6cg.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5a34a39430576d4c00add5fdf7af9aee/doxosotatejugometim.pdfIn PDF document text
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f7785d56fb---modiverelukipimube.pdfIn PDF document text
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082b52ed861f---sukakudawoz.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/d93kk3tu0ru1fra2m9oao2d003/66064595478.pdfIn PDF document text
- https://liderpin.com/calisma2/files/uploads/rafekilarekupus.pdfIn PDF document text
- 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_off0000ef79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF79 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010790.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10790 | 10140 bytes |
SHA-256: 668913401d372b5671269d3c03a89153e142c6d3a2a0314bf4b646464c73fb6e |
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font_02_sfnt_off00011e6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E6E | 16808 bytes |
SHA-256: b7b79c3a6fd8694e5ab673d5c0985cbdba392c515193464725b8e209f5dab5f9 |
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