MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The document contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of these links indicates an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
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://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/36e8476e920d8c44aed2532f19b27832/sedisa.pdf
- https://sportsht.com/userfiles/file/60777459585.pdf
- https://mvpartners.be/images/uploadedimages/file/15345911362.pdf
- http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c513c69b4ad---jojabumubo.pdf
- https://cosplay-expo.it/ckfinder/userfiles/files/susalodufatolit.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/h3edptpi46p3umlg3lp6svuha3/xaponogexanaduwebuzepas.pdf
- https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/1335041381.pdf
- https://rowadalbyt.com/userfiles/files/mobivupolulolefizunilavof.pdf
- http://szyldkj.com/luodan/images/userfiles/file/867657601.pdf
- http://ashioke.com/images/library/File/gaxexanijezu.pdf
- http://st-ark.it/userfiles/files/zetud.pdf
- https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/d044efc2d285eeb88c59e450feed2e75/99421618027.pdf
- https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd2999b979f---xilosagegunojim.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/432a8c8d8db9906fd3d44d32a782f30e/34667974343.pdf
- http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc8762d5df---96267725818.pdf
- https://feng-shuiworld.com/userfiles/file/wivubazadupu.pdf
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160884ab1d0278---lidep.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8cc76e64b3---mazelelurapanomunurakuwo.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/af678e1facd3cabdeeb1a6fa435caeff/rapetezivotasu.pdf
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef8ae7def0---62540314935.pdf
- http://lawngo.net/fckfiles/26873619042.pdf
- http://dohertylaw.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dinosetabatelarupin.pdf
- https://a2designbg.com/userfiles/file/18622644139.pdf
- http://edu-family72.ru/content/images/uploads/file/49005044324.pdf
- http://yangpupark.com/uploadfile/files/xozutilizub.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1608ccf6e43ece---powagebedosokemupisarewul.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=words+ending+in+tious
- 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_off0000c35e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC35E | 16792 bytes |
font_01_sfnt_off0000db70.bin6d39358f5b279007eac39e73a1fdb4b8648bb0099ef59caba3065f93a767a444 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB70 | 16988 bytes |
font_02_sfnt_off0001076c.bin3fb18399a176734c115773aa9e3be8c207ae0133c17dab0f95d2ea83de17aec3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1076C | 10308 bytes |
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