MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely intended to redirect users to malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports its role in distributing links from potentially untrustworthy sources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609602f05a498---10079466071.pdf In PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe237e5b49---vikekusekodexesov.pdfIn PDF document text
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/f171f2226351b862089a5f8900e7d91d/tukireto.pdfIn PDF document text
- https://www.duffylighting.com/wp-content/plugins/super-forms/uploads/php/files/bdee06eb060e73f333c49c25cac08290/nudimabisoj.pdfIn PDF document text
- https://wentworthre.com/wp-content/plugins/super-forms/uploads/php/files/df8d75aebe80fb1a5f876dd94ff2cb8c/saxinewuxinisomuwirokopeg.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/b72a0206a826f2a7ac995aebf9c1cfe4/lisufabate.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607137343c26a---56479597331.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/1qvv8b7rm0pma1v82l1ek90ui4/gonanexopa.pdfIn PDF document text
- http://samuiluxurytravel.com/Uploads/file/soduregepo.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/25900309810.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160c12efed4423---xemopurawixepitelet.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871f9a74191---76327691338.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/21932784170.pdfIn PDF document text
- https://nutstudio.it/userfiles/file/7556485644.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccba844ac3---64493325475.pdfIn PDF document text
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/a90192f4082c4eab76d8da8341a1a965/wedonezo.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/d85r1j2smspnva8smfhe8ch328/56775100020.pdfIn PDF document text
- https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/150b9aee777d6f1e357978c142ed393b/dorotuwenavegawoxadisobo.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c473a585fe7---jibel.pdfIn PDF document text
- http://delawaretravelmedicine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609771236df6b---visibudikovinesovil.pdfIn PDF document text
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/gojivagizab.pdfIn PDF document text
- https://kawanmto.net/contents//files/9455183179.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/4h9bp8mkjgr7ttvs96dcsvq6q3/55306488050.pdfIn PDF document text
- http://apsons.eu/files/file/636151311.pdfIn PDF document text
- http://esoftland.com/userfiles/file/pugefo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=after+effects+best+effectsPDF 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_off0000c8a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8A8 | 16400 bytes |
SHA-256: b6ff8d10b0db7f9bcdddf848e5afe18df2a602da3f57e7d10cc51d8b23d30ad4 |
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font_01_sfnt_off0000f313.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF313 | 9928 bytes |
SHA-256: 04092b56d58ee7ae762942ec398b8733358052a99911040a897fc50363891214 |
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font_02_sfnt_off00010933.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10933 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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