MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links pointing to compromised websites and disposable hosting, characteristic of a link farm used to distribute malicious content or conduct phishing. The presence of external URIs and compromised CMS upload links further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://nomylo.ru/uplcv?utm_term=irreconcilable+meaning+in+english PDF link annotation
- http://ongxoanhdpe.vn/upload/files/toniwimipogegenevotun.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/54173262047.pdfIn PDF document text
- http://lukasikgroup.pl/Image/files/lofekexezinaduguxexew.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/738i9p7r1b7g9mslhsok3mso03/gonak.pdfIn PDF document text
- http://transbur.ru/admin/ckfinder/userfiles/files/pebuleka.pdfIn PDF document text
- https://www.multilandtours.com/assets/ckfinder/userfiles/files/pumofipasa.pdfIn PDF document text
- http://mebelhotel.ru/images/news/file/57123179992.pdfIn PDF document text
- http://apagar.cinemadossertoes.com/ckfinder/files/70635843348.pdfIn PDF document text
- http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161445d975f3ed---11374546723.pdfIn PDF document text
- http://anindecor.pl/files/file/torilevujubep.pdfIn PDF document text
- http://indyztyle.com/ckfinder/userfiles/files/zumizuliw.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/15874514123.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f2e637a329---15791173260.pdfIn PDF document text
- http://gelikonline.ru/content/Files/4731468129.pdfIn PDF document text
- http://airzo.net/userData/board/file/51014075245.pdfIn PDF document text
- http://arabic.cz/ckfinder/userfiles/files/nepurolebikumiwusemuf.pdfIn PDF document text
- http://vbond.hk/editor_upload/file/zesuwozufinitexulixi.pdfIn PDF document text
- https://rails-bg.com/fckeditorfiles/file/3802188386.pdfIn PDF document text
- http://geoodwierty.pl/files/file/98601015022.pdfIn PDF document text
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/6hsuqgp80fm08vs932k4i1vbf6/15468289209.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/dadijisomutidawuzaz.pdfIn PDF document text
- http://el-system.jp/uploads/2012/files/49342582450.pdfIn PDF document text
- http://neodev.space/wp-content/plugins/formcraft/file-upload/server/content/files/1614b208c26487---17527281070.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/3fe9bd011f6ecc01a057a07b16615219/nataza.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1614b54cb3e8ce---98004711815.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_off0000b446.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB446 | 14420 bytes |
SHA-256: 2dbc2f8f1efaa706d66430aa06f6973de75e24159edb507c1223a353dfe2b0ed |
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font_01_sfnt_off0000d883.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD883 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f09a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF09A | 10672 bytes |
SHA-256: b7826ccc1c3bb0e9ca28b38f6e439db1a7aafd26962cdd118925301ad13043e9 |
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