MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to disposable hosting or compromised CMS uploads, indicating a link farm designed to redirect users. ClamAV and ML classifiers flagged this as malicious, specifically a phishing trojan. The presence of external URIs and link farms suggests an attempt to lure users to external sites, likely for phishing or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://narcisse.sk/editor_uploads/files/29959153444.pdf In PDF document text
- http://dworbieland.pl/userfiles/file/78683165921.pdfIn PDF document text
- http://avvocatogiuliani.it/userfiles/files/dewuju.pdfIn PDF document text
- https://soechi.id/userfiles/file/4681801660.pdfIn PDF document text
- http://pagyesa.org/userfiles/file/20210909191146.pdfIn PDF document text
- https://alternativi.brtim.com/uploads/wysiwyg/files/dugimajiranofifizaladabub.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161346c789a81d---48319479106.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/9748399046.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/bevofad.pdfIn PDF document text
- http://tgroupsrl.com/userfiles/files/nafelediresexu.pdfIn PDF document text
- https://artasedanasingaraja.com/uploadfck/file/kesotiwajijuzog.pdfIn PDF document text
- https://alstar.uz/images/shared/file/82358623303.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/8964414099.pdfIn PDF document text
- https://sieuthigo.vn/upload/ck/files/kigojimiwoganasubigavixiw.pdfIn PDF document text
- http://www.rpv-drachten.nl/files/file/gemilujosasizaxor.pdfIn PDF document text
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134236626b7a---xukuwuxugogutiwew.pdfIn PDF document text
- http://fujavietnam.com/images/Download/48519003355.pdfIn PDF document text
- https://fengshan-zhennangong.org/upload/ckfinder/files/pojilepokimose.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/9456346288.pdfIn PDF document text
- http://hyunsin.net/userfiles/file/doganadibo.pdfIn PDF document text
- http://zgic.ru/!upload/files/29234610199.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210908055258.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/37082961348.pdfIn PDF document text
- https://produse-zilan.ro/files/13256178912.pdfIn PDF document text
- http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/161332f8a090ec---56409772920.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=watch+her+movie+online+freePDF link annotation
- 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_off0000f970.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF970 | 17596 bytes |
SHA-256: 3f031c8ddd55939747e4deef2e71e50403243e00561f903452f385d10c3a1b30 |
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font_01_sfnt_off000126b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126B1 | 10492 bytes |
SHA-256: 14bee13297239aa7efdaa42d8836dec762bca832ab41c38d8fb7a14ece100e6b |
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font_02_sfnt_off00013e62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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