MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by a ML classifier and ClamAV, indicating a high likelihood of malicious intent. The presence of embedded JavaScript and numerous external URLs, many of which are hosted on potentially disposable domains, suggests a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm designed for obfuscation or distribution. The embedded JavaScript is likely responsible for initiating the malicious activity, such as downloading a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://quimis.net/js/ckfinder/userfiles/files/zexoxemadasawuwejomabu.pdf In PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/64826105139.pdfIn PDF document text
- http://creative-format.com/upload/editor/files/doterixamonura.pdfIn PDF document text
- https://mobile-translator.eu/app/webroot/media/files/suselafunizegupivemowuzuw.pdfIn PDF document text
- http://heatexchangersolution.com/upload_fck/file/2021-9-6/20210906054744259108.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/95034097749.pdfIn PDF document text
- https://badrivishal.com/media/polagexubiduxiwapuv.pdfIn PDF document text
- https://hanurichurch.org/ckfinder/userfiles/files/62788345347.pdfIn PDF document text
- http://aylincinarli.com/fckfiles/file/besuturilegegerakudafusup.pdfIn PDF document text
- http://canyonoaksmtg.com/~duckdi5/canyonoaksmtg.com/content/file/beronos.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/42941877479.pdfIn PDF document text
- http://taiwanquinoafamily.com/shopadmin/upload/files/70040585838.pdfIn PDF document text
- http://girlstown.org/files/js/ckfinder/userfiles/files/mirewonixomep.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/vofijobaf.pdfIn PDF document text
- https://terminarz.online/kosmetyczka/krakow/files/12039453979.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/17cadce29b2277a7c53b12c0fda963d5/68698977184.pdfIn PDF document text
- http://surausa.com/uploads/files/46871068819.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/20549819661.pdfIn PDF document text
- https://worldpigment.com/image/upload/File/61521849651.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/lerudisuvuwe.pdfIn PDF document text
- http://sweepinstyle.com/userfiles/file/64172912958.pdfIn PDF document text
- http://liceoadultos.juniorcollege.cl/userfiles/files/bokadikeleji.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16130c861ec429---89844311246.pdfIn PDF document text
- http://thaifilmind.com/UserFiles/file/patatemumulalejidu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=spooks+season+9+episode+1PDF 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_off00010d97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D97 | 18464 bytes |
SHA-256: e0e4efb736f99249fd06d74b53632b85ac515b669cf08a01a09e27f1f28924a0 |
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font_01_sfnt_off00013d5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D5A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15571 | 10528 bytes |
SHA-256: 1e4213eead570458346ec634c0dcd9bb34a5fc72cbe2083857227991c1add708 |
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