MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by multiple heuristics as malicious, including a ML classifier and ClamAV detection. It contains numerous links to external websites, many of which are hosted on disposable domains or compromised CMS uploads, indicating a link farm designed to redirect users to malicious content. The presence of external URI and link farm indicators strongly suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://taaltoetsvo.nl/userfiles/file/jupisuwijizunu.pdf In PDF document text
- https://soudurelausiere.com/upload/editor/file/71396203816.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133140366c11---jotemabupukuda.pdfIn PDF document text
- http://eastcity.hu/ufiles/file/7833311244.pdfIn PDF document text
- https://trystsalonri.com/images/file/15025377864.pdfIn PDF document text
- http://daugiavanthienphuoc.com/media/ftp/file/63556657175.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/21c571a03ccd6faeb9e61836ef91f954/kosefojuturefevu.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/kemuwapit.pdfIn PDF document text
- https://olivermilk.com/tctt/sites/aaa/file/jirozava.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/0640b66984407bd3969cce9d36e79fbf/33030932263.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/jibisowonipapamezikan.pdfIn PDF document text
- http://klenderbio.com/upload/files/dotipibivopi.pdfIn PDF document text
- http://erainbowrealty.com/userfiles/file/9310808967.pdfIn PDF document text
- http://tuvantindat.com/uploads/2021-09-21/images/files/roloxovogatavipavabopa.pdfIn PDF document text
- http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/fipubebigetofomasemi.pdfIn PDF document text
- http://formacio.fic.cat/uploads/file/ruwuzadenigukaxamis.pdfIn PDF document text
- http://ideviceplus.nl/app/webroot/files/userfiles/files/zonafovozez.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/58717976000.pdfIn PDF document text
- http://hfengly.dk/skoleportalen/userfiles/file/nukakojifibijanexidok.pdfIn PDF document text
- https://nepalonlineexam.tisaracademy.com/userfiles/files/17596673362.pdfIn PDF document text
- http://bettaletroom.com/file_media/file_image/file/65916721337.pdfIn PDF document text
- http://xn--80aaffebba2apgigwiiececnggk9e4k.xn--p1ai/pict/file/61452988375.pdfIn PDF document text
- http://nb-magnet.com/upload/files/xajejagom.pdfIn PDF document text
- https://www.sophrologue-nimes.fr/upload/news/files/83712939881.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=unlock+barbie+dream+house+adventurePDF 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_off0000b4ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4CE | 14572 bytes |
SHA-256: 08550df5285712a0ecec29e3be724eda8937f6aba408145a1d77d05b8cfac4b4 |
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font_01_sfnt_off0000d972.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD972 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f189.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF189 | 11040 bytes |
SHA-256: d1bb7582092221bf24c0a351d4075efe85691330c7a6550c61c6f5ee593002d4 |
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