MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The ML classifier strongly indicated maliciousness, and the presence of external URIs and link farms points towards a phishing or malware distribution attempt. No scripts were extracted, but the overall structure and URL patterns are indicative of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 https://inwebjor.ru/uplcv?utm_term=beef+tapeworm+infection PDF link annotation
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/l73l3n291mdv4opq58v9q7aep2/79236846747.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/nqibtuo0l0gc7h09sk30r7laj3/kigemezep.pdfIn PDF document text
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/81f86b2448671602703aa8b4eae7a61f/73405829399.pdfIn PDF document text
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/16086566631f30---96792429544.pdfIn PDF document text
- http://harasim.cz/uploaded/files/faxalamanojoxid.pdfIn PDF document text
- https://scavilecis.it/userfiles/file/22533333981.pdfIn PDF document text
- https://asset-books.com/userfiles/file/modogitisazirebegalava.pdfIn PDF document text
- https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/q17mo9uqdsr8mf4pqlgfsrv4rr/pabowukavejemovojusijoto.pdfIn PDF document text
- https://sonarmusic.hu/up_image/file/27737546803.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094c822f1d79---pidezafabilamibapukajemem.pdfIn PDF document text
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160984b3a0efa0---fadadajafasadi.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/6ctuf31ov2akps5gmainebbldr/19404129207.pdfIn PDF document text
- http://worksafeorg.com/wp-content/plugins/super-forms/uploads/php/files/ot69litbbm3ht7b9s56hv5dth4/nenewepudupepanukopimaxer.pdfIn PDF document text
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/3cd872b15f6db50cb7318bab50a38ce8/9281639576.pdfIn PDF document text
- http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/0mejg71fnd5aki1ehlhpd2msv4/zotafomufofetidaraxoxu.pdfIn PDF document text
- https://canionglobal.com/FCKeditor/file/20442102544.pdfIn PDF document text
- http://www.houstonorientalrug.com/ckfinder/userfiles/files/42540932275.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/2c4fd996a02222b061701e8f3d961691/61609383858.pdfIn PDF document text
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608aaf52c829c---28344263517.pdfIn PDF document text
- https://cottonweb.net/userfiles/file/67676128380.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609cae8cd7b71---kitidilekekipafagutopu.pdfIn PDF document text
- https://artenika.pl/fck/file/kajupalitagaka.pdfIn PDF document text
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2c8b46bd3---fokepumugeturiven.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_off0000e700.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE700 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ff12.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF12 | 16512 bytes |
SHA-256: 0bd679cca6cf3b4da9b1edcc483b09eda6be2c5fe3b4f558c0002c52f5caba52 |
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font_02_sfnt_off000129e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E7 | 10564 bytes |
SHA-256: 23a4d5d234a45cf6f5ac1af2f87a5de9c88959e0f0cf0dc540210148902bac76 |
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