MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a link farm or distribution point. The presence of 'utm_term' parameters in some URLs indicates a potential SEO poisoning or traffic redirection scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9700
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://www.pilartangguh.com/file/bupovo.pdf In PDF document text
- http://s8radziejowice-paszkow.pl/userfiles/file/kipopadisujubabukokonaz.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/81326820019.pdfIn PDF document text
- http://naasschoolofmotoring.ie/fckeditor/userfiles/file/gogutiwawenixulixuzaluk.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a697dad1c34---volibudulijovovajoj.pdfIn PDF document text
- https://biodez.lt/i/File/15577423576.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/eb5611c9eaf3d54e5abaeaa530a13332/42076354814.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/polujasobuzorolizose.pdfIn PDF document text
- http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/gujotuxutedes.pdfIn PDF document text
- https://gazelletr.com/userfiles/files/51653115468.pdfIn PDF document text
- http://gemculture.com/userfiles/file/20689670928.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/hflaaov74bmbpgim0lpd9jbch0/54474274179.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/4kojhnn6vod4bqkl1ddbss7svn/26017349203.pdfIn PDF document text
- http://flexicourse.cz/res/file/lurisuroxi.pdfIn PDF document text
- http://getem.eu/files/file/57248517392.pdfIn PDF document text
- http://www.lukoilmarine.com/ckfinder/userfiles/files/46617911289.pdfIn PDF document text
- http://shipsupply.ru/userfiles/files/zixidezokezasixirazisip.pdfIn PDF document text
- https://bajrahrs.com/userfiles/file/wutenilizopelu.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/11dju4bofv74lm29rc747pgfc4/xododafoledilut.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/gobokuvesikejexuza.pdfIn PDF document text
- http://ghibms.com/userfiles/files/fubedifijur.pdfIn PDF document text
- http://goref.ru/files/file/ronuripivusamuxutas.pdfIn PDF document text
- http://paroissedementon.fr/upload/files/11838348936.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072862346bf7---pijokusadubibijixuzawek.pdfIn PDF document text
- http://bluestandard.pl/ckfinder/userfiles/files/6595274312.pdfIn PDF document text
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lobanori.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=heroes+magic+war+promo+code+androidPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD11 | 19112 bytes |
SHA-256: 7547b53b9d8082e783c154828010947a17fd31ce69ad206c466169f664cbe518 |
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font_01_sfnt_off00012f59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F59 | 17648 bytes |
SHA-256: deefb2502cd2bc7ee57d433a65c5b3e8251993b3446cba4c89cf2407490c3675 |
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font_02_sfnt_off000149fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x149FA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00016211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16211 | 10792 bytes |
SHA-256: 3beee9fa9b7071efee52b1eee40805dc8180442f9411e0358614d42d55de31a7 |
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