MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://garglob.ru/uplcv?utm_term=bareboat+charter+cost
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/069f5f02c12ec398fd0c6ce394521a83/98782281586.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/0nsb0tdjaigkbmt3o8eni7ntus/99592691405.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afbca7af92f---29479709766.pdf
- http://diegogenna.it/userfiles/files/8461956510.pdf
- http://hacsbathtarntaran.org/~/userfiles/file/70229182167.pdf
- http://learnazia.com/fck/imagesfile/21268940785.pdf
- http://hugslock.com/app/webroot/img/files/mumevafiripu.pdf
- http://pizzeriagiganti.ro/imagini_ws/sivuxilugudekip.pdf
- https://amgaa.org/temp/files/44579706490.pdf
- http://tizianaiberti.it/userfiles/files/gadivitarupunikubekexa.pdf
- http://efuegypt.org/userfiles/file/gaxaruwolatavak.pdf
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/4dmup69uu168u0d7oamtd1cvdo/59421581379.pdf
- https://alternativecarrepair.com/userfiles/file/letelexinirenemunuzaseze.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1612176ccaf3ab---togusamunixedo.pdf
- http://chanakol.com/ckfinder/userfiles/files/funitubusakoburofegewi.pdf
- https://sowlindia.com/userfiles/file/98394167.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/67a6cf22c9cfb9e9af016d8e06909025/2574896892.pdf
- http://alexlunacoach.com/img/editor/file/77811572534.pdf
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609882fd85648---20494616315.pdf
- https://cfbadalona.net/ckdata/files/5012870177.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/df07d98853060d1fe041f3d734adca3c/38807023467.pdf
- https://wrd13.com/force/file/xefakedipuzose.pdf
- https://webmenuplus.com/images/file/46209696009.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_off0000e021.bin125c37e0a43a235ea17f95e086b5ef3d2586ffde05788a663cce966a0178c022 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE021 | 17404 bytes |
font_01_sfnt_off00010da8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DA8 | 16792 bytes |
font_02_sfnt_off000125bf.bin55712b05abf51d870497d3b46d455f749dec38c9f2ada5ceea223ca36536c6c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125BF | 10280 bytes |
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