MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs and is flagged by ClamAV as Pdf.Phishing.Trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high volume of links pointing to disposable hosting, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the nature of the embedded links and the ML classifier output strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://philabc.ru/uplcv?utm_term=how+to+activate+usb+debugging+with+broken+screen PDF link annotation
- http://hstairan.com/FCKeditor/editor/filemanager/connectors/php/userfiles/file/nokuzusasoloruzatefo.pdfIn PDF document text
- https://www.smartfutureexpo.com/ckfinder/userfiles/files/40291567195.pdfIn PDF document text
- https://ptogel2.com/contents/files/dafakededija.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/40042477650.pdfIn PDF document text
- https://titishop.co/upload/files/67564531656.pdfIn PDF document text
- http://autoscuolapezzano.it/userfiles/files/1816752994.pdfIn PDF document text
- http://studiosantomauro.it/userfiles/files/vizuxewafoko.pdfIn PDF document text
- http://goldstecq.com/userfiles/file/lasusotem.pdfIn PDF document text
- https://franciscovalles.comtraining.cl/userfiles/files/jirawixowojiwewi.pdfIn PDF document text
- http://vagtteam.dk/userfiles/Files/52594330789.pdfIn PDF document text
- http://kronospan-mofa.hu/editor_up/mulituduvuwen.pdfIn PDF document text
- http://win-sonic.com/ck_imgs/files/tobediropapode.pdfIn PDF document text
- http://printific.com/images/contentimages/files/nuwepituwarurexi.pdfIn PDF document text
- https://volandovia.it/public/fileeditor/file/90501979292.pdfIn PDF document text
- https://bimetoor.com/basefile/bimetoorir/files/17169436487.pdfIn PDF document text
- http://precisionsurgicalworks.com/alpha/ckfinder/userfiles/files/33418453361.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/94322431467.pdfIn PDF document text
- http://sz-nuoyi.com/Upload/file/2021090522285670693.pdfIn PDF document text
- http://open.ua/uploads/ckeditor/files/rodusanured.pdfIn PDF document text
- https://fond.ru/userfiles/file/mawameniregixen.pdfIn PDF document text
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a2ea5e4cfe---nozobesaj.pdfIn PDF document text
- http://daearesort.com/FileData/ckfinder/files/20210924_0CB3BDFD89D27A76.pdfIn PDF document text
- http://mtjjt.com/2013/upload/article/files/210916122507237859r30yk.pdfIn PDF document text
- http://kondicionery-dzerzhinskij.ru/upload_picture/file/diwifinogelav.pdfIn PDF document text
- http://ptk-tent.ru/userfiles/file/55426898230.pdfIn PDF document text
- http://www.afurg.com.br/assets/ckfinder/userfiles/files/paxozemidafedadekokula.pdfIn PDF document text
- 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_off0000b517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB517 | 11080 bytes |
SHA-256: 2aab8b40ce3e662203d99f0141ac5774c28e261f259ce26d5c1a08fadab05f3f |
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font_01_sfnt_off0000ceb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEB4 | 16980 bytes |
SHA-256: 4642f9c85683d1c648a20c05b4ce6cc6e3dd0fa67437b28817c6872d166716d9 |
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font_02_sfnt_off0000fa1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA1E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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