MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various PDF files hosted on different domains, indicative of a link farm. The 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic and the high number of distinct hosts suggest a malicious intent to distribute content or phish users. ClamAV detection further confirms its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://fs-select.com/images/blog/file/61159779352.pdf In PDF document text
- http://pphu-joanna.pl/fckpliki/file/xalogegojigopa.pdfIn PDF document text
- https://rdw-wolf.de/backend/ckfinder/userfiles/files/jinukinoxi.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144840a0e451---97003027818.pdfIn PDF document text
- http://tfforming.ru/d/files/losuwixafilunodovegofepu.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/5c8301dadca079ccd9921b179ca86b09/rivinijax.pdfIn PDF document text
- http://nwatchonline.info/userfiles/file/27220144344.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/rezanalut.pdfIn PDF document text
- https://www.theknowledgeonline.com/files/lib/ckfinder/userfiles/files/fabetelewijobozoxivogemid.pdfIn PDF document text
- http://tcsklife.com/filespath/files/20210910144344.pdfIn PDF document text
- http://actybrain-consult.com/Upload/files/wojovedavopoki.pdfIn PDF document text
- http://szyqjsj.com/UploadFile/file/20210904070441243.pdfIn PDF document text
- http://gizmakina.com/depo/sayfaresim/file/66650907442.pdfIn PDF document text
- https://cardion.dk/gfx/fckimages/file/9673250440.pdfIn PDF document text
- http://livestocktool.com/d/files/18261559008.pdfIn PDF document text
- http://rollfactorytogo.com/uploads/files/54991313556.pdfIn PDF document text
- https://evpersoneli.net/ev-personeli/file/68055776403.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210902195224.pdfIn PDF document text
- http://itineraire-consulting.com/ckfinder/userfiles/files/73644289015.pdfIn PDF document text
- http://hypotekaprezamestnancov.sk/res/file/59258734528.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210905022445.pdfIn PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/36826511432.pdfIn PDF document text
- http://lohoithaiduong.com/uploads/files/19145317832.pdfIn PDF document text
- http://vps73.juicy-group.com/editor_upload_image/file/82728508126.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=nba2k20+mobile+apk+modPDF 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_off0000d757.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD757 | 10532 bytes |
SHA-256: 62c4027dc573e1201f79650a8e0d696864862a1d4e763c978851c3e83a3b5ee5 |
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font_01_sfnt_off0000ef1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF1A | 17476 bytes |
SHA-256: ff7720e75dc1d3506b73ddfe6edc49cfee823a073c600e2babe6077dbce1e0a1 |
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font_02_sfnt_off00011bb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BB2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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