MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish users. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://drafthe.ru/uplcv?utm_term=a+room+of+one%27s+own+summary
- https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/872661d0e3ab61b81dc0728cce63b5bf/90228846774.pdf
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa8998b0ba---josolipezivedezipoz.pdf
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/5d69d93b2a2df71cd63db80226d9e4ab/89360725892.pdf
- https://jmtours.co/aym_image/files/wejotefaxozisivef.pdf
- https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/1e8fc893ff4ce8609ab11079f64fb5b5/5529900702.pdf
- https://latework.cz/soubory/27549883948.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7b676b3e2---23864309010.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/fb78fdeb3a80e69d6854c47e4e074e52/85792627070.pdf
- https://recrut.com/files/files/99501630529.pdf
- https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/tt3rfj5hrp27j4atq04h1vfvj3/99666111229.pdf
- http://insureacompany.com/userfiles/file/47646875901.pdf
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607cadb9071b0---fitapibugadamevewulopel.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/bi7d17h1k8m7bm18oeodkg97c2/nupisigenoduno.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608d5e157f5b5---tasezurow.pdf
- https://bookatowncar.com/userfiles/file/89343953752.pdf
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/4457a830731d93282beabb311475f017/61344724086.pdf
- http://strahovka66.ru/userfiles/file/92603656316.pdf
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/uhq2jrrpdt5s44hkjedf1usgvl/78408608646.pdf
- https://duext.com/wp-content/plugins/super-forms/uploads/php/files/46ac673f4993b3dca7a8d88085055b2b/pumaj.pdf
- http://ztkammer.at/uploads/file/91967243572.pdf
- https://alyosserspneed.com/userfiles/files/gusalaperidopedirujosagib.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7cfd24b039---zadenelif.pdf
- https://www.partyshuttlebus.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf17c385e6---lotipet.pdf
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c5203482e64---38653776190.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eae6.binf815c5235e21c0ad0bcd3d495ec849dae0f0926e9bdead95e564a2804e2fc0fd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAE6 | 10452 bytes |
font_01_sfnt_off000102c9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102C9 | 16792 bytes |
font_02_sfnt_off00011adb.bin40e338fbb224e28cbfe882dca88b4d14a33215e9fd034c049d0f8883ea3782fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ADB | 17072 bytes |
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