MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting, suggesting a phishing or malware distribution scheme. The document body was unreadable, but the presence of numerous external links strongly supports the link farm attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://rulada.by/upload/editor/files/34710368932.pdf In PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613fc7c313022---87937043950.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/ritumejukububumuvejanu.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e0812beb02---41077893501.pdfIn PDF document text
- http://hilimall.ae/uploads/files/liwofodesazajibovomumog.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa642c3f7e---96147249454.pdfIn PDF document text
- http://thienminhgroup.com/uploads/userfiles/file/92398862203.pdfIn PDF document text
- http://baheth24aqari.com/ckfinder/userfiles/files/18028394747.pdfIn PDF document text
- https://xn--pssa17sw71b.tw/upimages/files/setiduxenojigekugado.pdfIn PDF document text
- https://navoloki.mebel18.com/uploads/files/42296271559.pdfIn PDF document text
- http://envisystem.com/upload/userfile/files/rilafemadekegefisururozew.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/bololutozus.pdfIn PDF document text
- http://kanalizace-ul.cz/userfiles/file/64583162659.pdfIn PDF document text
- http://www.heksan.com.pl/file/68296507003.pdfIn PDF document text
- http://dolphinkorea.com/files/files/xejewe.pdfIn PDF document text
- http://www.atccs3.it/atccs3/fckeditor/editor/ckfinder/userfiles/files/kaguwinufimuvutikaf.pdfIn PDF document text
- http://espaciocultivarte.com/ckfinder/userfiles/files/rogosiwif.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210913_A9FE602E98B0FA08.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0c0e5209a---wirofexetejorinebikax.pdfIn PDF document text
- http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386cd43ff01---26929290717.pdfIn PDF document text
- https://siahotel.com/userfiles/files/fidopenoritebul.pdfIn PDF document text
- http://haenuri.net/ckupload/files/54437752324.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/8a9d4ff99eecc8b2a495d48c3556b7e1/72990399976.pdfIn PDF document text
- https://wroclawmodelshow.pl/ckfinder/userfiles/files/94824285324.pdfIn PDF document text
- http://atrsara.ir/resource/files/87734770984.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=accidentally+deleted+text+conversation+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_off0000be54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE54 | 16144 bytes |
SHA-256: cc7ccc6f689424992faa484695128f18cacd99d4c3a83254b467cbd22001e37d |
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font_01_sfnt_off0000e78d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE78D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ffa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA4 | 10624 bytes |
SHA-256: fc5c8794392c368e0fcf44d74f2a36a7585b566e72bca1684b90c0d6cbe2f353 |
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