MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to distribute malware or conduct phishing attacks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://philabc.ru/uplcv?utm_term=android+music+visualiser PDF link annotation
- http://barefoot.pl/userfiles/file/96420689193.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f8c5915d1c---75869003702.pdfIn PDF document text
- http://kite-surf.sk/files/monejulopetezirile.pdfIn PDF document text
- http://inlovehuahin.com/file_media/file_image/file/sanukezez.pdfIn PDF document text
- https://marlschuz.com/userfiles/files/wusexixanudipodezad.pdfIn PDF document text
- https://salvamontbihor.ro/app/webroot/files/userfiles/files/marenunug.pdfIn PDF document text
- https://www.miotsukushi.or.jp/system/ckfinder/userfiles/files/25523486632.pdfIn PDF document text
- https://hankilfood.com/upfile/files/86666248783.pdfIn PDF document text
- http://kes.org/upload/editor/files/48517371462.pdfIn PDF document text
- https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8bc09786b---55024205198.pdfIn PDF document text
- https://mallncart.com/userfiles/files/3714384018.pdfIn PDF document text
- https://ovistar-dz.com/ckfinder/userfiles/files/sazopixeli.pdfIn PDF document text
- https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/a79d82cb6b0ceb0f60b08514b0973323/miluwazusopusafixemixotin.pdfIn PDF document text
- http://venusland.vn/app/webroot/img/files/65337172830.pdfIn PDF document text
- https://stancijanegrin.com/UserFiles/files/36619747207.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/resavaloratonadodojap.pdfIn PDF document text
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/51956b42f04516b5dcc401ffddf82a19/18271666852.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/xaxuriw.pdfIn PDF document text
- http://k2plusinterior.com/userfiles/zebozadase.pdfIn PDF document text
- http://madinagirls.com/easydo%20v2.00/files/uploads/zuwusizisizawitimaxorufup.pdfIn PDF document text
- https://irepairplus.nl/app/webroot/files/userfiles/files/vugusejesoratavororajul.pdfIn PDF document text
- http://adidravidar.com/ckfinder/userfiles/files/94453360563.pdfIn PDF document text
- https://mwasafat.com/uploads/files/13060951314.pdfIn PDF document text
- http://shangrilatheshow.com/ckfinder/userfiles/files/jitilizobijazum.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_off0000b368.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB368 | 16096 bytes |
SHA-256: 0e64bcc8164de9de2c568bf15a1a13535e78c8d8b033f11d8a6b28c7dbe406a4 |
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font_01_sfnt_off0000dc6e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC6E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f485.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF485 | 10580 bytes |
SHA-256: ca3694712f78dba570e6a54ab3e9494bb361bd1fb0829754614a08b23df41bce |
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