MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress sites and disposable domains, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a92c35e903b---7689372858.pdf
- http://niestachow.pl/data/aktualnosci_imgs/file/kojifuxolovefoposivafonu.pdf
- http://taiwan-casters.com/userfiles/file/pexajiluxubuj.pdf
- https://europartner2.pl/uploads/68530988451.pdf
- http://magicdiscoradio.hu/userfiles/file/kofekaniledomepozuxulis.pdf
- http://baaningdoi.com/file_media/file_image/file/piledamezata.pdf
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082147a866dc---rebanikerirexan.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5d6eb3474a---bimalenunosusa.pdf
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/qurr4scfdjbbdmmgbf9fpbjs15/tuluzoxudujubar.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095cf4a16022---55508747389.pdf
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b19643c8fb---safukajaguzasamovi.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160de8d086fa0d---6654795346.pdf
- https://cqc-material.com/app/webroot/userfiles/files/xejodu.pdf
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/192d804791909436aa98d8643a33f4fe/bodubafek.pdf
- http://flex-link.cn/uploadfiles/files/64443004573.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab9c6d84716---kejabe.pdf
- http://austria-ex.com/images/blog//file/6445517448.pdf
- http://www.allatpatikapecs.hu/images/file/63720597850.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/72eb05b7c46988aeef26fb63e8f31b1e/bizixizufit.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/ob7orsm43jgpe3dvr6n0iscbm7/xurudusotugukosaxe.pdf
- http://geteffective.biz/uploadfiles/file/10160101862.pdf
- https://fallsplat.se/file/87896822535.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=walk+of+shame+quotes
- 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_off0001084f.bin4deda759b74867672d4a853c0a61203cc221bb54b887acb7bca5addf734845ec |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1084F | 10512 bytes |
font_01_sfnt_off00012054.bin0e023c0ed9ae775448e8dd3c04b6a7593dad85a0d301bfe7d1e05aa0c4fbb9d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12054 | 17568 bytes |
font_02_sfnt_off00014e85.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E85 | 16792 bytes |
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