MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains a link farm hosted on compromised WordPress sites, directing users to potentially malicious PDF files. The presence of numerous distinct hosts and the use of 'utm_term' parameters suggest an attempt to manipulate search engine results or disguise the malicious nature of the links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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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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 http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d15a83718d---26889594278.pdf
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16077c809ad4ec---51430831654.pdf
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5245d3041---3189235421.pdf
- https://99shayari.in/userfiles/files/3952571957.pdf
- https://iiml-pgpsm.in/ckfinder/uploads/userfiles/files/16712858886.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/agshpjjl4qqeo9t50ocilphhm0/10223425664.pdf
- https://egf.tw/test2/images/file/kiwuzekum.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072b767668de---5204440051.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c76bedbef08---mijotogezugipozux.pdf
- https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/l4i74m02n6slbaohs0k4tengi5/geginidovud.pdf
- http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16093d132af9d4---43637707496.pdf
- http://webcertain.net/contentupload/fckeditorUploads/organization_/file/dufudukarewiwedasa.pdf
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/ko45km8g3a0j3sqnojucpvg7j8/12514961864.pdf
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d00ddf470---65990065498.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926120d439d---78164665900.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098824dd784b---88480254719.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076249938602---xulasaxigorivofukuwuvi.pdf
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ecf9b5025e---xidaka.pdf
- http://effektfilm.de/files/file/60405150711.pdf
- https://ctapigroup3.com/contents//files/84649752116.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac325600302---sakogapisi.pdf
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609423f77b8ca---mojikuzabenaxiz.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=lateral+cervical+spine+x+ray
- 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_off0000f379.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF379 | 16792 bytes |
font_01_sfnt_off00010b90.bin3813db0e62eda8250ef3e4a08452ac43782cc9790b0f749aaf688e5c6fdc4245 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B90 | 10488 bytes |
font_02_sfnt_off0001238e.bin2a1ef00873d0582133ae959f623133582e64ba13fafa7ec2e25cb52eb20df84a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1238E | 16188 bytes |
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