MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristically identified malicious links, including one pointing to a dynamically generated URL. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous external URIs, many on disposable hosting, suggests a link farm designed to redirect users, likely to a phishing page or a malware download site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://andana.us/files/files/59416067830.pdf In PDF document text
- https://ph2020.org/ckfinder/userfiles/files/41589544953.pdfIn PDF document text
- https://multimetrics.com/ckfinder/userfiles/files/4678650279.pdfIn PDF document text
- http://zhuoer.ltd/userfiles/file/tulanokavozi.pdfIn PDF document text
- http://appartenvue.net/appart/upload/images/rejorenen.pdfIn PDF document text
- http://investbuild.ru/var/upload/file/29850654170.pdfIn PDF document text
- http://canissapiens.com/images/uploads/file/bonudal.pdfIn PDF document text
- http://centrlita.ru/archive/image/file/18658315651.pdfIn PDF document text
- http://fvv-hohenfelde.de/sites/default/files/files/32186701266.pdfIn PDF document text
- http://fuerst-architects.com/uploads/file/pokefowetuxekizopi.pdfIn PDF document text
- https://poldercuptrofee.nl/site/admin/ckfinder/userfilesfiles/dibale.pdfIn PDF document text
- https://crmsaas.dswip.com/ci/userfiles/files/61016194719.pdfIn PDF document text
- https://jerseyshorepirates.com/userfiles/files/72256775539.pdfIn PDF document text
- https://childrencareandliteracysociety.org/userfiles/files/94344574419.pdfIn PDF document text
- http://wsospice.org/uploads/userfiles/file/file/xurejudujemedomazitatapo.pdfIn PDF document text
- http://benardoutlite.com/admin/fckeditor/fckdata/file/30425218036.pdfIn PDF document text
- https://polymadeniyaglar.com/fckeditor/userfiles/file/1579499395.pdfIn PDF document text
- http://lamelove-zakryti.cz/userfiles/file/77876327132.pdfIn PDF document text
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/tl5hrif622b5jvdlul3giuet5q/36400829853.pdfIn PDF document text
- https://senegal4d.com/contents/files/firirikuxewevilewopi.pdfIn PDF document text
- http://varosom.hu/userfiles/files/bazulu.pdfIn PDF document text
- https://divanich96.ru/admin/ckfinder/userfiles/files/60355925854.pdfIn PDF document text
- http://hglobaltour.com/FileData/ckfinder/files/20210917_4FA40DA56A5AD131.pdfIn PDF document text
- http://portalpr-b2b.es/img/user//file/_0352853001631356152.pdfIn PDF document text
- http://tovicetour.com/FileData/ckfinder/files/20210911_422288D42DAF3C4A.pdfIn PDF document text
- http://chromowane.com/userfiles/file/79198854617.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=download+adm+androidPDF 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_off0000b115.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB115 | 10100 bytes |
SHA-256: 9b88c7ff6a4023b3cde709ce1569b5918c0f2209c7c0a902f2d9646413a9c619 |
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font_01_sfnt_off0000c775.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC775 | 14544 bytes |
SHA-256: 5db0c3d08e5cbc14341e6b9aca2947f83d52bfd3e927f947c8e265109f5b22d1 |
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font_02_sfnt_off0000ebe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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