MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are consistent with spearphishing attachments used to redirect victims to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://archism.ru/uplcv?utm_term=define+triage+in+medical+terms
- http://designpavelzapletal.cz/files/file/61357450527.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/c24bff9ce19e0b97680117a050a32f45/xinoxamupe.pdf
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160d2c707415cd---pojubutegameloboxibidovul.pdf
- http://www.ecvbrass.ch/user/web/file/niwetejevodiponok.pdf
- https://moolans.com/uploads/files/rinetezobetilazavoxoxomu.pdf
- http://stylekd.ru/files/nemawarekenovumedimogavoj.pdf
- http://amuseonline.com/absite/userfiles/file/zajokodefezomazum.pdf
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/e6feb6d74a9f6401975ea5393db9d28d/febugizutotuxakajexewu.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/gibidndsujldhjep0h187nvft7/bopigasisabefelewupes.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160c47fb699f85---40802627457.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607a8adbe542f---66737601869.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16071052d7f47b---ralisuxigidesagozozewew.pdf
- http://csptech.net/admin/userfiles/file/simeliponitufotuma.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a0795271f---60956745656.pdf
- http://kaushalacademy.org/ckfinder/userfiles/files/72650020251.pdf
- http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a984674f9---89437808074.pdf
- http://franklcalabreseattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/49170743021.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609571854861b---85838591644.pdf
- http://aucoindeshalles.com/menu/file/jesunefofazot.pdf
- http://www.kidnuri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c8604d7dd---xajisorodosifutolow.pdf
- https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/9737ab73c0e4dd46c52f0e6dc3892b6a/xususefavirizalagudag.pdf
- http://consulcongress.it/uploads/assets/file/guxakisaxegorolabep.pdf
- https://samarpanbharat.org/trila/userfiles/file/toruji.pdf
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/13521144af5909b138d1ed30d59e028d/lazebofupemag.pdf
- http://files.ibiza-ferien.de/file/bitumojaledegukojekibetis.pdf
- http://allasclub.com/campannas/file/kezalijobajifivare.pdf
- 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_off0000ebb0.binc84ab7f186418a8fff24e3ecf77d135688d120629602a9018017d9557ab6711c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB0 | 10700 bytes |
font_01_sfnt_off00010408.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10408 | 16792 bytes |
font_02_sfnt_off00011c1a.bin497529fd208cfc0c43ad70533f2dbdab69b145401564049067017fff092c7af8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1A | 16704 bytes |
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