MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to disposable domains, characteristic of a link farm used to obscure the ultimate destination, likely a phishing or malware distribution site. The presence of multiple distinct domains with single links suggests an attempt to evade detection and create a broad, albeit shallow, network of redirectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://aokisuper.com/ckfinder/userfiles/files/29556887892.pdf In PDF document text
- https://tecnomatec.cl/upload/file/xapinuzipedinubolufet.pdfIn PDF document text
- http://flemingdecal.com/uploads/assets/file/lufatojenitosojulawetuvu.pdfIn PDF document text
- https://taksis.lv/taksis/userfiles/file/27207696323.pdfIn PDF document text
- https://dodatkireklamowe.pl/web/uploads/files/66949326552.pdfIn PDF document text
- http://inbiosa.eu/static/cfiles/files/tiruvibaruwizuzigiviranin.pdfIn PDF document text
- http://mavelikaradiocese.org/rapha/ckfinder/userfiles/files/bonamuk.pdfIn PDF document text
- https://bozoklar.org/ckfinder/userfiles/files/gawogulunuresito.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/lidarisitedavivosirejiwe.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/wowavexigewubafakimon.pdfIn PDF document text
- https://www.fishhabitatnetwork.com.au/application/third_party/ckfinder/userfiles/files/livemukojavavagivap.pdfIn PDF document text
- http://vpsystem.com/files/fck/75208008068.pdfIn PDF document text
- https://www.heainc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bbdb19c288---73842121251.pdfIn PDF document text
- http://sqc.jp/user_data/editor/ckfinder/core/connector/php/upload/files/6818635988.pdfIn PDF document text
- http://annamsaigonlaw.com/upload/files/boxamu.pdfIn PDF document text
- http://yongchengtech.com/uploads/files/202109041415371220.pdfIn PDF document text
- http://mindatpeace.us/uploads/files/pojiwe.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20210902203405.pdfIn PDF document text
- http://winhazel.com/indigo/ckfinder/userfiles/files/waviruxuw.pdfIn PDF document text
- https://doellefjelde-mussemarked.dk/images/newsmail/file/zesogafekipojigipevok.pdfIn PDF document text
- http://thenext.pk/userfiles/files/tufikutajupa.pdfIn PDF document text
- http://kahsport.cz/userfiles/file/sobedatolakujikodukolo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=what+is+the+difference+of+ios+and+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_off0000e7ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FF | 10520 bytes |
SHA-256: 9867aa334ffdd73e227f905f9442ae301be60ae024950c92a8d68285e45617d5 |
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font_01_sfnt_off0000ffed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFED | 19828 bytes |
SHA-256: 21c5646bc3b0e89cfc1577286b0b3513201a2080f84033e5626da6094f7e1fca |
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font_02_sfnt_off000133df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133DF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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