MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or SEO poisoning tactic. The ML classifier strongly flagged this PDF as malicious, and heuristics indicate it's part of a link farm on disposable hosting. No scripts were extracted, but the primary attack pattern involves directing users to external, potentially malicious, URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 5
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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://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/16070067522775---38149377687.pdf In PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160905e6e46c4d---34858626633.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160b1434ce55c6---jezitasu.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/6435979146d09e8491cf3a15aaa53fb8/bobagogipap.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1b70c332f---10230859599.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/dirogakel.pdfIn PDF document text
- http://matras-devison.com/upload/file/65258575080.pdfIn PDF document text
- http://www.asap-recruitment.net/upload/file/1467533174.pdfIn PDF document text
- https://mauspro.net/upload/files/mugifawebeterok.pdfIn PDF document text
- http://www.cddfct.com/up_files/file/gagubitovo.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/82e01d8a2a29724d12f43c823e0095f4/70760951664.pdfIn PDF document text
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/2e705363911dc7cfbf6c2fb9cbdbb8f4/vizebovepujoserijamagizup.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/12527408346.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d642475d05c---rezololonibukutunalak.pdfIn PDF document text
- http://aucoindeshalles.fr/menu/file/4519639084.pdfIn PDF document text
- http://innospectrum.eu/hirlevel/file/54917859223.pdfIn PDF document text
- http://apcmagon.com/userfiles/misoviso.pdfIn PDF document text
- http://riph.pl/userfiles/file/jorurivanujadexewiz.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/a764334e3c375ab2dcec3deed3299366/wifagirasegake.pdfIn PDF document text
- http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a012294456f---dafuwovaguliba.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/1d985fb09b91b6c246c9bc1e21f1b224/52625317171.pdfIn PDF document text
- https://pfollowers.com/ci/userfiles/files/68090825675.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=core+java+tutorial+with+examples+pdfPDF 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_off0000e827.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE827 | 11172 bytes |
SHA-256: fb2e103bcaa7656df6ee14f7af5cd59ab29e7bd44106430009db82cd5ff1f99e |
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font_01_sfnt_off00010257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10257 | 17296 bytes |
SHA-256: 7f2bcd3b8bae4c81bcfc14c20a6a703d1760cb411a120f33ac93139f762b162c |
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font_02_sfnt_off00012fac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FAC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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