MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and other disposable hosting domains. The embedded URLs suggest a phishing or malware distribution scheme, likely initiated via spearphishing attachment.
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 https://laborke.ru/uplcv?utm_term=resentment+nearest+meaning+in+gujarati PDF link annotation
- http://steelbo.com/uploads/admins/u0/files/20210611000028.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/fajutigapowesasir.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/fc313c138cde63575bdd471bc507f04b/70875903948.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/33839451006.pdfIn PDF document text
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/kotavoxasawuwumuge.pdfIn PDF document text
- http://ofipapel.org//ckfinder/userfiles/files/82785320737.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609836e6a056e---pabuko.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/4726r8tcltvol66vb7v0kkq8gp/tifasegapavakefugetufu.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/4813683548.pdfIn PDF document text
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d3caad4c3b3---48330735511.pdfIn PDF document text
- https://pepinieramontana.ro/ckfinder/userfiles/files/lukiwujesubusexugo.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/0dd6d7bc02fe33fa6aea26aebb8bf16e/xikenufatonaseke.pdfIn PDF document text
- https://adsbudget.net/userfiles/file/werum.pdfIn PDF document text
- http://tienhasteel.com/app/webroot/upload/files/94018926726.pdfIn PDF document text
- http://bong-dem-long.org/upload/editor/files/vagejewajituf.pdfIn PDF document text
- https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/13be2b0d51c007849ce7ae9e8c856cb3/giliniruj.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6004b53b6---18365160513.pdfIn PDF document text
- https://majubesar.info/contents//files/ferope.pdfIn PDF document text
- http://ahkjt.com/upfile/file/28688700037.pdfIn PDF document text
- http://mamam.by/upload/File/file/43448226729.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/rega6kvqtpc7i4vrc7u14i0mhj/21721421495.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160d9d44eeaaef---29205701462.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/e8743dd1ab890efec974cd30c052eb80/wufedivoxefanozufimoram.pdfIn PDF document text
- http://crediramasrl.it/public/file/4989611048.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/237d77449a18fddc3c165fa7b5a5f3ce/vuwejeduxezesexub.pdfIn PDF document text
- 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_off0000b8a8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8A8 | 16980 bytes |
SHA-256: 3730f168c2687ac73d7896d2abcde6e2cbcce18c465ed6510136d2dcc101a9c2 |
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font_01_sfnt_off0000e47b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE47B | 10560 bytes |
SHA-256: 1ae9e858d2c4f0d1907140d95a7566e6e76658b0c130b86a2aebab6afc072b6b |
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font_02_sfnt_off0000fc86.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC86 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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