MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of external URIs, many of which point to compromised WordPress sites or disposable hosting, forming a link farm. These links likely serve as lures to direct users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://medvor.ru/uplcv?utm_term=intractable+pain+icd+10
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd5da1aa80---41048319228.pdf
- https://louvre.lv/res/wysiwyg/file/nejago.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/defm2h5i692cjqs4djp3cfdg08/xamapuwikuvawefasixoxo.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b502c5eb4bb---19627657157.pdf
- http://danchrisjewelry.com/userfiles/file/tizemib.pdf
- http://azizolace.cz/images/file/jinolal.pdf
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/0948dc4c7724037d1853ae137b7c23da/ratafufojabujamafugif.pdf
- http://j-line.ca/fck_upload/file/16835874414.pdf
- http://weddingdiy.cc/uploadfiles/files/20210601_181328_4633.pdf
- https://micast.de/wp-content/plugins/super-forms/uploads/php/files/d8n3rqr5den5hu2f95u82f9nso/13609404265.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afc5d118b13---tagofo.pdf
- http://anthonyvienna.com/sites/default/files/file/rotozujewanad.pdf
- https://ajitcoatings.com/uploads/zovafawiwasipakos.pdf
- https://www.mclarenpress.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c89404a8e2---25319173863.pdf
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b99fc2a60b---85303484971.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6afd558e57---14717843262.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f345860888---zavuvore.pdf
- http://musthighschool.mn/ckfinder/userfiles/files/69949517036.pdf
- http://istrouma1971.com/clients/9/9b/9b88b062b8d6af44b28e209fcb06d7d5/File/dirotopepojujugidune.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/ga8kdpccvp3gbe4c6k760amcu2/62839819674.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609799a55c381---32602417312.pdf
- https://n-zvuk.ru/upload/file/75799953769.pdf
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/afd5dba88bac428ec3d291a9984be6cf/42966179433.pdf
- http://www.iasp-pain.org/Public
- 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_off0000f640.bin1330c6d52824935a25a0e226c06f872936c4e46655f0e8a044864616769cf4e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF640 | 10484 bytes |
font_01_sfnt_off00010df9.bin858b575be79edaa6c159fc12c5b55ab8aa8dbdeb107e6a1792f247a9b763fee0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DF9 | 18752 bytes |
font_02_sfnt_off00013d78.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D78 | 16792 bytes |
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