MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF sample was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains an embedded JavaScript stream and a link farm pointing to compromised WordPress upload storage and other disposable hosting. The primary purpose appears to be directing users to download further malicious content, likely disguised as a utility like a PDF merger.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ferrocom-spb.ru/userfiles/files/55191593985.pdf In PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160962924eae0f---5764867081.pdfIn PDF document text
- https://autoandtruckrepair.net/nbloom/fckuploads/file/11517578494.pdfIn PDF document text
- https://charteriraq.ir/basefile/charteriraqir/files/bawisijuzutok.pdfIn PDF document text
- https://iveducentar.com/uploads/assets/file/xoxejagonajevimukefosatag.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091309c51090---jotogo.pdfIn PDF document text
- https://viboot.com/ckfinder/userfiles/files/29154529181.pdfIn PDF document text
- http://dajuicebarus.com/uploads/files/nomelawokutokefono.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607de0cf4d277---jijasufanakusupedig.pdfIn PDF document text
- http://nissanotogovap.net/uploads/images/files/27131995555.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/99142679150.pdfIn PDF document text
- https://viehomes.com/upload/files/1437602860.pdfIn PDF document text
- https://www.espaciocultivarte.com/ckfinder/userfiles/files/rekukoronizitox.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/92712451432.pdfIn PDF document text
- https://megashina24.ru/files/files/54783861389.pdfIn PDF document text
- http://langmoon.jp/js/upload/files/83871907042.pdfIn PDF document text
- http://chronicles.ae/userfiles/files/suzoxive.pdfIn PDF document text
- http://khautrangkhangviet.com/upload/img/files/17214679918.pdfIn PDF document text
- http://hanstime.com/userData/board/file/zizopiwenuvafidojidebafuj.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160971b9501bce---8124148370.pdfIn PDF document text
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcee4b23352---37000258193.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/17708940831.pdfIn PDF document text
- https://31app.com/userfiles/file/21865644813.pdfIn PDF document text
- http://pivotal-technologies.com/userfiles/file/figawebi.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/sogaliwur.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/i9aeo4srtmimdp3vl3ktpaorb6/58560203671.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=pdf+merger+free+download+open+sourcePDF 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_off0000dce6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCE6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f4f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F8 | 16112 bytes |
SHA-256: 82544a1ef7468f2e41473e64e125a7161819c7dabb000f73d60bb76e9f7195bf |
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font_02_sfnt_off00011e59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E59 | 10960 bytes |
SHA-256: 25fa465c3da87409cfd2c89b881d05a922a4566ed2340e30ba081cadc2ef46e6 |
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