MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting. These URLs are structured as a link farm, suggesting an attempt to lure users to malicious websites for phishing or to download further malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://chcial.ru/uplcv?utm_term=young+justice+1998+read+online PDF link annotation
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1611888d97c8c0---37574120979.pdfIn PDF document text
- https://navliecky.net/userfiles/file/8865651406.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/13157952054.pdfIn PDF document text
- http://varadimasszazs.hu/uploads/files/57514844989.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/95971647651.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608308fb5a5b4---zudaguvapegijowewowireki.pdfIn PDF document text
- https://khonggiansangtao.com/platformecom/img/upload/file/rutebubapoxasapum.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/615bf70d4d81070a38e2e29bf91ccfce/90411796098.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c51ca6ec5---60319719568.pdfIn PDF document text
- https://kozhikodedeaf.org/admin/my_files/file/6133669211.pdfIn PDF document text
- http://fedoro.ru/upload/file/92943394661.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/629c17d6f62c2627f53f2bcbd6bda381/nokugut.pdfIn PDF document text
- http://thsport.dk/ckfinder/userfiles/files/senurekun.pdfIn PDF document text
- https://purefeeling8.com/data/file/fubitarusesafawotetivebe.pdfIn PDF document text
- http://whatifitspossible.com/ckfinder/userfiles/files/pasogazenajizulumuboxabi.pdfIn PDF document text
- http://starlightskiothon.ca/clients/4/44/44db284a3a4a6a3f34f8f2fa71918f98/File/31147686925.pdfIn PDF document text
- http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1608609ae5e03d---xutupagefimalozokabobo.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/14060e4fec89a35a583325e14182406e/kazuzikerun.pdfIn PDF document text
- http://numismatika-nbkpdy.cz/userfiles/file/lupinas.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/40793629136.pdfIn PDF document text
- https://seataclighting.com/wp-content/plugins/super-forms/uploads/php/files/c22932f3f7c01e3def8d79b59c293696/35900833199.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_off0001433d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1433D | 18396 bytes |
SHA-256: bf2c5fc1656ca4556d311fb92623588b372dcbc829321ea1f6ec03c1a04fcfa5 |
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font_01_sfnt_off000172e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172E1 | 11188 bytes |
SHA-256: 6fa6f0caa12e3b1ddb8b8c122f7f12a4cf98876c289af3e468b2080437fae628 |
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font_02_sfnt_off00018d17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18D17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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