MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous embedded URLs, many pointing to disposable domains, suggests a link farm or redirection mechanism designed to trick users into downloading further malicious content. The 'SE_DOWNLOAD_BUTTON' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://dieutrimun.myphamkangnam.vn/webroot/img/files/wepekesoxuziz.pdf In PDF document text
- http://ccadl.com/files/20210901063215.pdfIn PDF document text
- http://ottuk-e.org/userData/board/file/59919869243.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210905193113_bl7db7.pdfIn PDF document text
- http://seritour.com/rsm/files/54480207197.pdfIn PDF document text
- https://callmarkinvestments.com/callmark/files/28019011030.pdfIn PDF document text
- http://jafra-com.at/userfiles/file/55493907207.pdfIn PDF document text
- http://dentalclinicbangalore.com/uploads/4565877607.pdfIn PDF document text
- http://saigonford3s.com/uploads/2021-09-01/images/files/48893148190.pdfIn PDF document text
- http://popmetre.com/news/files/81268638166.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/32354940714.pdfIn PDF document text
- https://euchebnici.com/img/file/fimujipuma.pdfIn PDF document text
- http://patrickstaxi.fr/userfiles/file/migebite.pdfIn PDF document text
- http://madurastones.com/userfiles/file/50522460718.pdfIn PDF document text
- http://lmleadmanagement.com/userfiles/files/xemolidatemuguworojidoliv.pdfIn PDF document text
- http://steinemann-ag.ru/wozufigis.pdfIn PDF document text
- http://vucert.vn/uploads/files/49540586163.pdfIn PDF document text
- http://hit-air.pro/ckfinder/userfiles/files/77597835817.pdfIn PDF document text
- http://gazosilikatnn.ru/uploads/files/49861751628.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/cf955117e8d3a257c6fc7da480afcb63/fosunamelajebebososigokez.pdfIn PDF document text
- http://spakimthi.com/upload/files/80597771889.pdfIn PDF document text
- https://salwangurugram.com/files/worulawiwelukozez.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/75616548444.pdfIn PDF document text
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16134148d9cf26---11850844538.pdfIn PDF document text
- http://fzcce.com/aimgs/uload/files/xuvanofawuluzor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=sonic+runners+adventure+download+apkPDF 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_off0000ddd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD0 | 17200 bytes |
SHA-256: 6d8b126642c22284bcdf2e81402011e659c084de08b7d7c2f7f052534992e0d6 |
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font_01_sfnt_off000109ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109EE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012205.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12205 | 10924 bytes |
SHA-256: 16056e760229e1feda57119447ae97ee77d7ea5156f8ba582dc82177de48fd54 |
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