MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many of which point to disposable hosting or are part of a link farm, suggesting a phishing or malware distribution scheme. The presence of external URIs and the overall structure strongly suggest this PDF is used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://jtour.vn/userfiles/file/vopipozafogenadase.pdf In PDF document text
- http://autokolcsonzoszolnok.hu/admin/fck_upload/file/58956569846.pdfIn PDF document text
- http://rorolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/6484668999.pdfIn PDF document text
- http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614256b44d62c---45731224990.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1613945de9a4a6---fojomewotirafijowofonoxu.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/leserawupogiledufenawo.pdfIn PDF document text
- https://manualismedicina.hu/fileok/file/zosepuxo.pdfIn PDF document text
- http://naszemotyle.natura2000.pl/imgturysta/files/pexafetaxunekesewu.pdfIn PDF document text
- https://bankubezpieczen.pl/userfiles/file/82565007630.pdfIn PDF document text
- https://nieruchomoscikomercyjne.co/files/file/667311895.pdfIn PDF document text
- http://stellarvvv.ru/ckfinder/userfiles/files/wejusilusejegusisirufo.pdfIn PDF document text
- http://studiodabo.eu/userfiles/files/16722248766.pdfIn PDF document text
- http://thepducphat.com/upload/files/mijotoposebenijaja.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/50759602132.pdfIn PDF document text
- http://stluciachamber.org/uploadedImages/contentImg/file/masatijovabadiso.pdfIn PDF document text
- http://profil-metall.de/content/uploads/file/49016080210.pdfIn PDF document text
- https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/161373ee33456e---98521127073.pdfIn PDF document text
- http://anninh247.info/upload/files/poduzozediwativepumabi.pdfIn PDF document text
- http://alphamarino.kz/images/news/file/venuzegesiwetotet.pdfIn PDF document text
- http://eiffelflowersquesnel.com/userfiles/file/jimipizupeduradinefovag.pdfIn PDF document text
- https://andana.us/files/files/71140362341.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=hide+apps+from+play+storePDF 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_off0000b287.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB287 | 10660 bytes |
SHA-256: 1bba5faca63dd58ad0f705d4c82227b3763385d8e8c874b6118987c2e2402608 |
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font_01_sfnt_off0000caf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e307.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE307 | 15656 bytes |
SHA-256: 966432b6c31b3e68559039395080508aa6706bdfe760554c5c420a24411c88fa |
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