MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external resources, many of which are hosted on disposable domains and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to download further malicious content. The presence of embedded URLs and the PDF_RANDOM_URL_LINK heuristic further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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 http://www.kocay.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16138c21b823e1---vowadugasek.pdf In PDF document text
- http://cascad-trans.ru/files/jaxojanokojomir.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0cb208057---54670138103.pdfIn PDF document text
- http://wildpflanzen-planung.de/file/44720164543.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/93216882598.pdfIn PDF document text
- http://rentappli.com/tinymce/jscripts/tiny_mce/plugins/phpimage/phpimage/upload/images/file/zituwemob.pdfIn PDF document text
- https://posetili.ru/userfiles/file/9028830061.pdfIn PDF document text
- http://cityfate.com/files/files/befivasuxofurodo.pdfIn PDF document text
- http://cokhitienvuong.com/uploads/files/tuzetezafikavetid.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/mofape.pdfIn PDF document text
- http://gelikonline.ru/content/Files/fejozipedoliwedeniwoxufek.pdfIn PDF document text
- http://thessalonikiflights.com/files/files/gadov.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/22014446387.pdfIn PDF document text
- http://qtjdb.com/UploadFile/2021/09/06/file/20210906_122437_134.pdfIn PDF document text
- http://odessawa.com/userfiles/file/mazegotudipajogatiru.pdfIn PDF document text
- http://talentfuturesservices.com/sharpinstitute/images/files/zisikubirewin.pdfIn PDF document text
- https://jeanmarcrobion.fr/userfiles/file/5386935768.pdfIn PDF document text
- http://veterinarioassociatopacinidallatorre.eu/userfiles/files/nuzemu.pdfIn PDF document text
- http://gz-theoutfit.com/UploadFiles/FCKeditor/20210914125129.pdfIn PDF document text
- http://resheto.ru/users_images/fck/file/28936900231.pdfIn PDF document text
- http://tavaszitura.eu/userfiles/files/baxowoju.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/84621190949.pdfIn PDF document text
- http://floramarble.com/uploads/89560508742.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=ancient+planet+tower+defensePDF 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_off0000b90e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB90E | 19112 bytes |
SHA-256: fb2733dc665e665ea5d9424f086ba8930e141957a6b9f65cb0865a8e21e23dc7 |
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font_01_sfnt_off0000e9ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9AE | 10680 bytes |
SHA-256: 60f3394edd59edd5914dc825f2909b2b1a09e3564ddc9eb51b98801ebc52487b |
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font_02_sfnt_off00010268.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10268 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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