MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links to various domains, many of which host other PDFs, suggesting a link farm designed to obscure the malicious intent. The presence of a direct IP address link and a high ML classifier score further indicate malicious activity. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly supports a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://rcvizovice.cz/ckfinder/userfiles/files/davubogutemaripepalip.pdf In PDF document text
- https://a-guskov.ru/uploads/files/19062697264.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1614820fa0f546---64240771326.pdfPDF link annotation
- http://tataservice.it/userfiles/file/13277368410.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/97466458666.pdfIn PDF document text
- https://jecoexports.com/ckfinder/userfiles/files/sogom.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/28240391198.pdfIn PDF document text
- http://sitoad.com/bbqjoekey/files/202109131951082163.pdfIn PDF document text
- https://oazapiekna.com/zdjecia/fck/file/kamepisuvipusezabubore.pdfIn PDF document text
- https://larioenergy.net/uploads/file/xuretipuwaril.pdfIn PDF document text
- http://asacnfservices.com/ckfinder/userfiles/files/53926690881.pdfIn PDF document text
- http://bubb.cn/up_file/file/naxukaworebapuderogidotos.pdfIn PDF document text
- http://dytac.hk/userfiles/88370209026.pdfIn PDF document text
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161497f53e00bc---39328274772.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/839d4a822bca25c5228ecd7bd8669ee0/magubuxonapo.pdfIn PDF document text
- http://sieuthimaynhapkhau.com/upload/files/73626199307.pdfIn PDF document text
- http://intelekt.biz/uploads/pages/files/falesalanivexizaxiku.pdfIn PDF document text
- http://mydreamtuscanwedding.com/editor_up/69451838409.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/80018451738.pdfIn PDF document text
- https://laughteronlineuniversity.com/images/upload/files/93419051119.pdfIn PDF document text
- http://fujavietnam.com/images/Download/53462090940.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/dimitekibonepiri.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=lewis+structure+for+sulphate+ionPDF 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_off0000bf02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF02 | 19128 bytes |
SHA-256: 6e41d7195971c2e8c11066a9d2bbe4fb21a000e7331a77bc7f29906b9a599bae |
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font_01_sfnt_off0000f09c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000108b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108B3 | 10720 bytes |
SHA-256: 67bd7c943de054de30adcd2c0d90c29db25d597f2e090584de5bc04a35b9541a |
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