MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to disposable hosting, characteristic of a link farm designed to redirect users to malicious sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this intent. No scripts were extracted, but the overall structure and URL distribution indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
Heuristics 5
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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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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://chcial.ru/uplcv?utm_term=best+wallpapers+for+note+10+plus PDF link annotation
- https://osakaav.com/userfiles/files/20875550660.pdfIn PDF document text
- http://xyr59.com/filespath/files/20210910192618.pdfIn PDF document text
- http://bygreenpure.com/userfiles/file/66289612129.pdfIn PDF document text
- https://www.weldcor.ca/public/ckfinder/userfiles/files/seremuko.pdfIn PDF document text
- https://rumputhijau.com/contents/files/28912472540.pdfIn PDF document text
- https://www.bramfordgc.co.uk/ckfinder/userfiles/files/pabobotavabapolatozet.pdfIn PDF document text
- http://phunphu.com/userfiles/file/mavazinigoras.pdfIn PDF document text
- https://optimustelecoms.com/ckfinder/userfiles/files/votosunixakotetekozilud.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/mafagelegazadabajit.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/vijamusav.pdfIn PDF document text
- http://hzqzg.com/d/files/4164316918.pdfIn PDF document text
- http://studiovalecchi.it/userfiles/files/4138981953.pdfIn PDF document text
- https://getadoc.in/ckfinder/userfiles/files/20534054679.pdfIn PDF document text
- https://inprovitargentina.com/ckfinder/userfiles/files/mujajilikabimogapif.pdfIn PDF document text
- https://dehaventransportation.com/home/de/public_html/ckfinder/userfiles/files/2380401158.pdfIn PDF document text
- http://lempreintedubois.fr/userfiles/lempreintedubois.fr/file/kipivodezulukulikaziko.pdfIn PDF document text
- http://quaisetoiles.fr/img_pages/file/12277830786.pdfIn PDF document text
- http://thanhlapcongtykiengiang.com/upload/ck/files/44766638797.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/xajovivosugiwunim.pdfIn PDF document text
- http://xinyuemu.net/assets/202109/files/20210911045324745048.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/nusudodo.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/zejejov.pdfIn PDF document text
- https://299-45.com/CKEdit/upload/files/jubofazunamofubetadezedub.pdfIn PDF document text
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/58dd7149513a71e2b9c35ec38848f65e/vatopefozatutul.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613594cf5f791---warumaromewonedebutur.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_off0000d301.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD301 | 17512 bytes |
SHA-256: 909f85ef61e52fc6f397f443619b1d4e8b0be049fa543dd9abe5d833b9671d37 |
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font_01_sfnt_off0000ffe9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFE9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011800.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11800 | 10672 bytes |
SHA-256: 4dae132458113787337a8204b557525fa3f435b71f169904f9c5dbb895117261 |
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