MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous external URIs and links to various domains, many of which are hosted on disposable or compromised hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_URI' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://queure.ru/uplcv?utm_term=friv+bob+the+robber+4
- http://geometramaurotozzi.it/userfiles/files/15885156615.pdf
- http://softtox.com/new/userfiles/file/tikanisorumada.pdf
- https://binarbaidequipment.com/public_html/userfiles/file/puraguwiri.pdf
- https://vieclamlaocai.vn/webroot/img/files/75692309077.pdf
- https://tanhaithanhvalves.com/quangcao/admin/file/7960174401.pdf
- http://biancoacolori.it/userfiles/files/81254666978.pdf
- http://jgbt.us/pds/userfiles/files/bokewanidusijunigiz.pdf
- https://aicpwdosaeast.com/ckfinder/userfiles/files/depunavonuxutaraf.pdf
- http://labsshop.com/d/files/lojomoluxataref.pdf
- https://cochleartudaskozpont.hu/files/33239834475.pdf
- http://okmarin.ru/userfiles/file/xanimakokogekixapu.pdf
- http://phuongdonggolf.vn/app/webroot/uploads/files/15996254982.pdf
- http://scandinavia-ex.com/images/blog/file/venavusokaj.pdf
- http://yuanjiangchem.com/upload/files/80420470136.pdf
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fea9a4ca99---5666442283.pdf
- https://maviet.vn/upload/files/70045375248.pdf
- http://kpghomerepairs.com/uploads/image/files/lazizadagovisuvi.pdf
- https://sport-jicin.cz/dokumenty/54240476052.pdf
- http://byecook.com/ckupload/files/xozifakefe.pdf
- https://tenshinorchids.com/FCKeditor_upload/file/bemerowusilu.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c1b03944f3---pojif.pdf
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/2537ecc4382483866c6c354c21e5f7cc/sukitad.pdf
- https://verlauf-ekb.ru/admin/ckfinder/userfiles/files/popofozexevapu.pdf
- http://optykglowacki.pl/obrazki/files/26393332385.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b7fe.bin0e08881b261baad636582f78e45f3ddce8bb5f6a354f9a33bab2a423743ac1af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7FE | 9988 bytes |
font_01_sfnt_off0000ce4c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE4C | 16792 bytes |
font_02_sfnt_off0000e65e.bin76193a229d68b093afe038655cb5f2768a1f734aafeff917689a50889be31334 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE65E | 18396 bytes |
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