MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous other PDF files hosted on compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The primary attack pattern involves redirecting users to potentially harmful content through a series of links.
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.corridar.com/wp-content/plugins/super-forms/uploads/php/files/q79nakemk47ad0i1d6t3ue6us1/fojapezevasuwinuge.pdf
- http://otoozevran.com/resimler/files/13693618969.pdf
- https://sonntag-immobilien.lu/userfiles/files/tidozar.pdf
- https://fiberglasssupplydepot.com/userfiles/files/31168148975.pdf
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/f6aa7746afd7190addfdc7a71546a7d9/piziforamomurakoge.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/730d845247c04f48daecbceaae3d3a93/mozikalad.pdf
- http://al-farh-iq.com/upload/userfiles/file/29022535400.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1606d63565e71f---40832522833.pdf
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/af5ad5f0fa4d53c3b93bf66f6aa9b32f/kiragilosebati.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160781366cc995---burefetivirux.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e26e31bd068---3589338714.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/2iio1peli8e9tpopuhmd617h3g/xitibobijedaxe.pdf
- https://bjjewels.net/nbloom/fckuploads/file/retumovurozos.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/dotulutas.pdf
- https://deepankarbasu.com/FCKeditor/file/70670089862.pdf
- http://biirbeh.mn/images/content/file/5759484170.pdf
- https://beldaoyun.com/calisma2/files/uploads/jujomavofajepopenakedodaw.pdf
- https://moto-trend.cz/public/files/fck/file/33542371849.pdf
- https://doellefjelde-mussemarked.dk/images/newsmail/file/12477121212.pdf
- http://outspokenholland.com/userfiles/fckFile/20210514060734.pdf
- http://abwessex.com/uploads/files/65299636396.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3c2562ec0---314264514.pdf
- https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/6o5332fjt0p5ma139qq1t90c6b/kexozegetamosofesanogi.pdf
- https://www.sixteengrams.com/wp-content/plugins/super-forms/uploads/php/files/4ohbfj6dnmhejjnvmvn1uogcrk/13729947505.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=brant+point+lighthouse+nantucket
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f08e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF08E | 16792 bytes |
font_01_sfnt_off000108a0.bin79ebf91998a8c921f7ce6383c7d3ec473c01c58001c88bbe81ea63f9cc45032e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A0 | 16976 bytes |
font_02_sfnt_off0001352e.bine469b0cfd3672adbee56ac5af19d75cca8b84da1f97117cfa2450d8af4b30fcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1352E | 10900 bytes |
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