MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document flagged by ML classifiers and ClamAV as malicious. It contains numerous embedded URLs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL distribution strongly suggest a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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 http://goref.ru/files/file/99106881112.pdf In PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/t11lsgp99sqtu8i6c5tdbs61n3/13051746144.pdfIn PDF document text
- https://igk-lilienthal.de/downloads/dewusomavuxas.pdfIn PDF document text
- https://3eyamaichi.com/upload/ckfinder_temp/files/20210916110034.pdfIn PDF document text
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613210edc557c---pagujepinuma.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/pekexexuxobijetu.pdfIn PDF document text
- https://studiovizia.com/webroot/img/content/files/bovesogugifodewezisulawel.pdfIn PDF document text
- http://hyundaiokla.com/uploads/files/40040248030.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe427cd1d5---60323995001.pdfIn PDF document text
- https://tramhuonghanoi.vn/upload/files/roneriwifulisikafuvubibi.pdfIn PDF document text
- http://goldmustang.com/files/files/kujituvurojoxibibavetaz.pdfIn PDF document text
- http://carrozzeriardue.it/userfiles/files/rupimijakemume.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16146a89354254---25538082491.pdfIn PDF document text
- http://appli-veolia.net/ckfinder/userfiles/files/pawamajit.pdfIn PDF document text
- https://motty-etai-sharon.com/files/files/42077309030.pdfIn PDF document text
- https://ssekolkata.com/ckfinder/userfiles/files/86265737911.pdfIn PDF document text
- http://www.neoneophytou.com/ckfinder/userfiles/files/78449840383.pdfIn PDF document text
- http://www.rupankar.com/fckimages/file/85356550470.pdfIn PDF document text
- http://guchen.ru/d/files/93690313942.pdfIn PDF document text
- https://pensiuneavalentina.ro/app/webroot/file/pivamepajoz.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/15410970157.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/89169961889.pdfIn PDF document text
- http://fairbank-ia.org/admin/ckfinder/userfiles/files/72860070984.pdfIn PDF document text
- https://pelletier-tp.fr/ckfinder/userfiles/files/28788554551.pdfIn PDF document text
- https://coffeetuanvang.com/Images_upload/files/memikuza.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=1984+full+novelPDF 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_off000125cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125CF | 10160 bytes |
SHA-256: d2e5d6b2d19f409d8dbc13b381eeef6abdce2f2d3c35835c3076b323d9475f7e |
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font_01_sfnt_off00013cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CCE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000154e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154E0 | 18048 bytes |
SHA-256: f3d3a9d695bbb3a20e37f42fb81b825cdf330effdf7c627a40455cf6b3ca96bb |
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