MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of external links, many of which point to compromised WordPress sites. The ML classifier strongly indicates maliciousness, and the structure suggests a link farm designed to distribute traffic to various potentially malicious destinations. No scripts were extracted, but the overall pattern is consistent with a phishing or redirection campaign.
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://huucodatlanh.com/userfiles/file/lusavagamexuxibukef.pdf In PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607a05d1b022d---25463979025.pdfIn PDF document text
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/160a97191ef70c---17558793765.pdfIn PDF document text
- https://anpheatingandac.com/nbloom/fckuploads/file/94079010530.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16073433077fab---35536855282.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ct3io8jv3jvbrmr41oiimkjjc1/11610739744.pdfIn PDF document text
- https://footballsod.com/images/ck-uploads/files/34754023285.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c9ec3119960---lafarasedapuzereda.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f29c74b47---18379144839.pdfIn PDF document text
- http://btfa.tw/upload/files/74475925257.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078622d54887---rulovapobuvazasejipup.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/14463730202.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/baxurageja.pdfIn PDF document text
- https://www.pennlighting.com/wp-content/plugins/super-forms/uploads/php/files/e9ef40305336d37cf81a6aa28e608d1c/foparudovotidikokesud.pdfIn PDF document text
- https://ofertaromania.ro/ckfinder/userfiles/files/ponazubozerotugimira.pdfIn PDF document text
- http://topas.lt/userfiles/file/16141959875.pdfIn PDF document text
- https://pirkitpadangas.lt/ckfinder/userfiles/files/45590747307.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/25c230eca77550e4983ee8e52a13daa5/vemiwupibemijekonedi.pdfIn PDF document text
- http://clinicaveterinariabilancino.it/userfiles/files/zurasikifaduzoje.pdfIn PDF document text
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16084fddd6da42---17465796466.pdfIn PDF document text
- https://lesartsdansmonjardin.com/userfiles/file/20210629150428.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a42ae167f7e---16091734552.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=water+belly+in+chickens+symptomsPDF 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_off0000f59b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59B | 10976 bytes |
SHA-256: c1d0e960ee91240f6cb8f455479ab4a8cd2b182c0eb2f46fce4d94c4c51771bb |
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font_01_sfnt_off00010eb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EB6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000126c8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126C8 | 16840 bytes |
SHA-256: 32ad7362111ba09a16df26f46875afd5890568233cb0fc3671f758b93add0a5e |
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