MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classification and a critical ClamAV detection for phishing and trojan activity. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and compromised upload links indicates a likely attempt to distribute further malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://allytemp.ru/uplcv?utm_term=maize+seed+germination+process+pdf PDF link annotation
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/d90p3f62ehvegcv94e1r77lte0/woraledemizuxodukoze.pdfIn PDF document text
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9a6a6b7f5a---jetuzifupu.pdfIn PDF document text
- http://mashhadgardi724.ir/basefile/mashhadgardi724/files/20602387285.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/75856302607.pdfIn PDF document text
- https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/7d87deffc9623b649528455cad9ae490/7604598409.pdfIn PDF document text
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160fc56d716aaa---7070514789.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abf9b0f11da---89852693445.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3159bce22---75334037097.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/viwotubosurerivapefes.pdfIn PDF document text
- http://sintjorisparochie.nl/userfiles/file/vasutanuliwavirixidusabe.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16073ec2999d17---rulaz.pdfIn PDF document text
- http://dr-onesrl.com/userfiles/files/11344154643.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6672221307---tudegixuwudegenak.pdfIn PDF document text
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/0924ebda2d0f485bce3822aebe56c8fa/31255675432.pdfIn PDF document text
- http://kasintorn.com/images/upload/files/verezorotaxixikeziv.pdfIn PDF document text
- http://szilasfood.hu/pic_upload/files/ripuk.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a2fa0cd9b1f---paperumawisimodofufu.pdfIn PDF document text
- https://electrabicycles.pl/app/webroot/uploads/file/16208004388185.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16080660580424---80148492227.pdfIn PDF document text
- https://jensbrode.de/files/file/50731786120.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/mebudevujikedudadotuxo.pdfIn PDF document text
- http://dc-3ed4d7413bdb.prshots.de/uploads/userfiles/1630157162/files/59571732716.pdfIn PDF document text
- http://hbleg.com/admin/userfiles/files/67858774225.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_off0000c39f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC39F | 10972 bytes |
SHA-256: 156a32e20171d0adff167ae468539973cade5f9ac4469e2e8452f1264902b5b6 |
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font_01_sfnt_off0000dce4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE4 | 17124 bytes |
SHA-256: b3325e41f968bfb2623b6f19c8db7a75ce774af2528fcf878f65455e0a993577 |
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font_02_sfnt_off000108da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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