MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to potentially compromised or disposable hosting, indicating a link farm or redirection scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of multiple PDF-specific heuristics related to URI and link farms supports this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 http://notariocprietoa.com/notaria/documentos/files/mukojip.pdf In PDF document text
- http://cartopack.com/Images/file/42165129080.pdfIn PDF document text
- http://matstravel.ru/userfiles/file/3444426732.pdfIn PDF document text
- http://rasmesafar.net/basefile/basefiles/gobovipi.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/48285375819.pdfIn PDF document text
- http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/49000965624.pdfIn PDF document text
- https://topinsolventa.ro/userfiles/file/45833984737.pdfIn PDF document text
- https://agronlogistics.com/userfiles/files/36470578050.pdfIn PDF document text
- http://hublihorse.com/uploads/userfiles/files/70255428788.pdfIn PDF document text
- http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/rolab.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b36b4757ab---pomofokunovenosajibola.pdfIn PDF document text
- http://automozg.by/upload/editor/files/faxalovejezokowoguperizu.pdfIn PDF document text
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/wazenapulisisuxujina.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/qk77bfk5tkm2huhevk9fg3brrf/48427002173.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/8587816e5382798c42ff96e6410b2c3d/sugusitawaworikira.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/afbbb8f40de01ff50dbf9aaea1f44c9b/jaxusaji.pdfIn PDF document text
- http://mav-auto.ru/images/file/8337719928.pdfIn PDF document text
- http://d4storonto.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/tixupije.pdfIn PDF document text
- http://polloricowings.com/uploads/files/vibezegog.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/69012514376.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=muscle+turns+into+fat+when+you+stop+a+weight+training+programPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088c31a0f8de---magufotafiwesag.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_off0000b569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB569 | 11220 bytes |
SHA-256: 17422565d6eed182eb3f7cbcf609c3ae0140ecb3033fd954158bb75d4a40ebb6 |
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font_01_sfnt_off0000cfa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e7b4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7B4 | 15588 bytes |
SHA-256: 8b01d2706643abb9885010821a1619421f74369f7ffaffd0a01120fed7baff31 |
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