MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. Heuristics indicate the document functions as a link farm, pointing to numerous URLs hosted on potentially compromised or disposable domains. These links likely serve to redirect users to phishing sites or download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 https://evpersoneli.net/ev-personeli/file/jixobumujoxitu.pdf In PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/84806098449.pdfIn PDF document text
- https://apskarota.org/userfiles/file/pipibinefokebugibubenuk.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/335c38dbb5b99d475878ea3fa7530649/mukujome.pdfIn PDF document text
- https://digicpictures.com/downloads/28844244395.pdfIn PDF document text
- http://csc-0411.com/userfiles/file/20210830073041_yk3jbh.pdfIn PDF document text
- https://fwullong.com/upfiles/editor/files/jurexiwemujuvukuj.pdfIn PDF document text
- http://caycanh.vn/images/fck/file/lalavu.pdfIn PDF document text
- https://ylwlgwadmin.ylwl.cn/upload/files/82983869502.pdfIn PDF document text
- https://nhatngudongkinh.com/upload/ckupload/files/14465333660.pdfIn PDF document text
- http://mikllc.mn/uploads/files/tuvelefetinegilor.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/9kbuhee64u2h4j0l7j3r3me1i0/kinolefelomokafalewarep.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092bda494e73---satipiwavunuxifotu.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/0f2e448b173bee49fff6f9593f499601/lusenukibig.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/tusutapulopew.pdfIn PDF document text
- http://myboydfamily.com/clients/7/7f/7f513a2250c12de81a70a6735749c289/File/wejuroposamafivu.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/40895697fe4d7df909d37dbe79f2449d/31565217891.pdfIn PDF document text
- http://watdoenwevandaag.nl/upload/linoruda.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=patriots+schedule+2019+pdfPDF 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_off0000bb0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB0F | 11176 bytes |
SHA-256: 11633d04d210d0cd38d1a72d2a11a1f093279e2147ff1d2f95a65342df1237b0 |
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font_01_sfnt_off0000d569.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD569 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ed7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED7B | 17240 bytes |
SHA-256: a33a84d0217d751a9f83337e1e5f5b9bce3352be979a405ce8179ca3bd1485ca |
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