MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, with one heuristic specifically identifying it as a link farm on disposable hosting, suggesting a phishing or redirection scheme. The presence of external URIs and the overall structure point towards an attempt to direct users to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://tdbakademi.org/userfiles/files/12712147736.pdf In PDF document text
- https://dnm.tw/uploads/files/202109010031028512.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210915_214457.pdfIn PDF document text
- http://monikaknoblochova.com/userfiles/file/72376449305.pdfIn PDF document text
- http://air-ned.com/uploads/files/wagupagozoj.pdfIn PDF document text
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614326009c9e3---zanejuzuranimigo.pdfIn PDF document text
- https://abzesolar.com/uploads/files/vixizenajusil.pdfIn PDF document text
- http://kavtas.com/images_upload/files/gulakibaxejoxume.pdfIn PDF document text
- http://fkhd.cz/data/img/pomizurujoxuwalimegebirev.pdfIn PDF document text
- https://baobiachau.com/luutru/files/xepukixizipekanipigozum.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/gofonexof.pdfIn PDF document text
- https://m-isc.com/userfiles/file/libatutetidakaganore.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/c702391379d3f26c172be8b912ceac9d/juwodolotiveb.pdfIn PDF document text
- https://totspotdaynursery.co.uk/ckfinder/userfiles/files/niwaxuwinik.pdfIn PDF document text
- http://pazarziraat.com/userfiles/file/pifenorajeranepowafesolu.pdfIn PDF document text
- https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/vefexaja.pdfIn PDF document text
- https://ljlconst.com/admin/images/file/86575871009.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/rebekejuni.pdfIn PDF document text
- http://icloudcleaners.com/uploads/account/autoresponderfiles/56928904004.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/tinadujemorilokijafudugis.pdfIn PDF document text
- http://wienbildarchiv.com/upload_files/files/49282266589.pdfIn PDF document text
- https://www.prieur-equipement.com/ckfinder/userfiles/files/zojipa.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/55660122024.pdfIn PDF document text
- http://phuocthuan.vn/images/pic/file/3048183340.pdfIn PDF document text
- http://klpa.net/userData/board/file/73035270758.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=app+open+history+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_off0000eee9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEE9 | 17180 bytes |
SHA-256: 30785a2c2c0829c74e5ba5f5b24a1c22b3b311caf7e605ba552f3b17881ad22d |
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font_01_sfnt_off00011b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B3B | 10536 bytes |
SHA-256: ad57c8590f45c6c4e440147fdfaf82c2c1d2ea35edfb9496685ab792fc6ef38b |
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font_02_sfnt_off0001333c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1333C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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