MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not appear to directly execute code but rather redirect to other potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://coolscape.info/images/files/zidisod.pdf In PDF document text
- https://kamarkosong.com/contents/files/bogusanijunumexolodo.pdfIn PDF document text
- https://remini.hu/userfiles/file/99139492394.pdfIn PDF document text
- http://estatepie.com/files/userfiles/file/zuzutukiwife.pdfIn PDF document text
- http://modulobase.com/userfiles/file/99666192810.pdfIn PDF document text
- https://avigailpekelman.com/sites/default/files/file/loxanejiwa.pdfIn PDF document text
- http://dkstores.gr/userfiles/file/nozaxitexavamubobaboj.pdfIn PDF document text
- http://biosafety.biz/ckfinder/userfiles/files/64319540973.pdfIn PDF document text
- http://ugrctrani.it/userfiles/files/rogakaripeporutozuwoji.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5f5979a0d---31717759317.pdfIn PDF document text
- https://corianderedmonton.com/ckfinder/userfiles/files/58253566374.pdfIn PDF document text
- http://adhdesign.de/userContent/files/20210918133558-9536546135.pdfIn PDF document text
- https://selapro.com.au/application/third_party/ckfinder/userfiles/files/65058418123.pdfIn PDF document text
- https://promoform.coreform.it/uploads/file/sezipi.pdfIn PDF document text
- http://contrast.no/ckfinder/userfiles/files/mawemidifoz.pdfIn PDF document text
- http://termocity.by/pics/files/lotawobevimoxepaxoso.pdfIn PDF document text
- https://ckmandarin.com/uploads/kojixumagujoda.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16148e016068c7---10990655318.pdfIn PDF document text
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614964fc7aea0---2554115619.pdfIn PDF document text
- http://tvkinter.com/file_media/file_image/file/dodizirukegikevul.pdfIn PDF document text
- http://skonasystems.com/userfiles/file/74259682630.pdfIn PDF document text
- http://reafamily.lt/ckfinder/userfiles/files/zirugaxisakeki.pdfIn PDF document text
- http://fasson.vip/images/editor/files/makesajirasevimuduba.pdfIn PDF document text
- http://woykoff.hu/upload/file/zeginoguve.pdfIn PDF document text
- http://gorisum.net/fckeditor/upload_file/file/77338816368.pdfIn PDF document text
- https://maciejabramowicz.pl/upload/files/file/98997577316.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=xbox+one+smartglass+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2BA | 16828 bytes |
SHA-256: 33d5058f3127e0f393b4d89c41a27fcafb143310d6d6f51bfc2cd30ef6a86df5 |
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font_01_sfnt_off0000de90.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE90 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6A7 | 10840 bytes |
SHA-256: 9a035f05b551d6d31613e583bde764affea76aec537d4d5942160d1049d26424 |
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