MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing or trojan. Heuristics indicate it functions as a link farm, containing numerous links to external PDF files hosted on various domains. The presence of embedded URLs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest an attempt to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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://ccadl.com/files/20210909055001.pdf In PDF document text
- http://el-master.ru/userfiles/file/42188282351.pdfIn PDF document text
- http://pospatrans.cz/UserFiles/File/53470304587.pdfIn PDF document text
- http://mynigaoe.com/upload/file/20210902062634.pdfIn PDF document text
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/92030877023.pdfIn PDF document text
- https://dienlanhhonganh.com/images/pic/file/wiredoforadijur.pdfIn PDF document text
- http://issaproject.com/app/views/panel/ckfinder/userfiles/files/39510793502.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc100388d4---46452970467.pdfIn PDF document text
- http://markaz-e-durood.com/EditorImages/file/12776918616.pdfIn PDF document text
- https://undergroundtakeout.com/userfiles/file/86659558871.pdfIn PDF document text
- http://tucsokszekszard.hu/images/news/file/xuboponewixudogozitif.pdfIn PDF document text
- http://hanart21.com/files/userfiles/file/67206061437.pdfIn PDF document text
- https://teamcode.net/upload/files/63912338825.pdfIn PDF document text
- http://ormansagszive.hu/upload/file/molurijavufemowenamudanog.pdfIn PDF document text
- http://www.childofafrica.org/media/userfiles/file/xunuromasi.pdfIn PDF document text
- https://burragebrothers.com/demo/jolie/beta/userfiles/files/46366900281.pdfIn PDF document text
- https://yomadesign.com/userfiles/Proj_Name/files/80445522568.pdfIn PDF document text
- http://kirilmazbardak.com/userfiles/file/gazavumazogasodopurek.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613434bf4f582---juzosu.pdfIn PDF document text
- http://torremaggiore.sitmap.it/files/files/42105926955.pdfIn PDF document text
- https://monamifrance.com/FileData/ckfinder/files/20210901_53F379A59631D732.pdfIn PDF document text
- http://villacappuccina.com/userfiles/files/88978752443.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/nuvibapisuxud.pdfIn PDF document text
- https://alshuka.ps/ckfinder/userfiles/files/vepamum.pdfIn PDF document text
- http://axi-hohenstein.de/userfiles/file/bitudo.pdfIn PDF document text
- http://ausafe.net/images/art/files/dumipolelinamanivawes.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=best+free+phone+call+app+for+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_off0000d88e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD88E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f0a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0A5 | 10768 bytes |
SHA-256: 083574f914a1a8002474ae0623dc8d5ea2c5399327f3e97cf8c0d8a73f8fa3db |
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font_02_sfnt_off00010958.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10958 | 16692 bytes |
SHA-256: 90b2c2324254a813b3ea902094b8e62ff3029f7d20c809032d407a8ce419cecf |
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