MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by a machine learning classifier and ClamAV. It contains numerous embedded URLs that point to compromised websites and disposable hosting, forming a link farm. The document also includes heuristics indicating it's a lure, potentially for phishing or malware distribution, and that it might be part of a compromised CMS upload. No scripts were extracted, but the overall structure and URL patterns suggest a malicious intent to redirect users to harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://wastran.ru/uplcv?utm_term=can+i+set+a+song+as+my+ringtone
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/41536842845.pdf
- http://f-kcc.jp/user_data/userfiles/files/dokutu.pdf
- https://www.tessilgiada.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef0d1bf6de---bomavodiranabenig.pdf
- https://khyatiinfotech.biz/ckfinder/userfiles/files/16400560320.pdf
- https://metroguards.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16135f1b18d1ef---14985092086.pdf
- http://collectifff.be/imgdb/accueil/files/gekoxur.pdf
- http://odesignlab.ru/admin/ckfinder/userfiles/files/demenanizib.pdf
- http://eventechsite.com/files/files/ruribubarupavigekavadaj.pdf
- http://eventologia.com/userfiles/files/84408806087.pdf
- https://orcasproje.com/userfiles/file/tapez.pdf
- http://my-hustle.net/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/xadizosil.pdf
- https://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/54726426423.pdf
- http://newgatedesign.com/Images_upload/files/23716679335.pdf
- https://bocion.com/ckfinder/userfiles/files/bopixofuvidijepo.pdf
- http://caribsplash.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa735d199f---10801668667.pdf
- http://ordineveterinarireggioemilia.it/userfiles/files/zotuziwipitobu.pdf
- http://dorrstrechy.cz/UserFiles/File/desibu.pdf
- http://german-ex.com/images/blog/file/fojadatel.pdf
- http://tageedesign.com/ssmpt/documents/file/tonevamuvemefutax.pdf
- http://covina.crazyrockinsushi.com/uploads/files/11234261831.pdf
- http://hebammenglueck.de/ckfinder/userfiles/files/35452381775.pdf
- http://reedxtrainternational.com/uploads/pages/file/10811759080.pdf
- http://normel.org/files/upload/file/65741369361.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a4300f28cda6ebb642f513dc0d604e56/63828491274.pdf
- http://shopphutungmayphat.com/upload/img/files/rezatuferipon.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_off0000d381.bin74e21289f46a934e5092bffda0de36245412250b51897f05d7c02f6485933f65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD381 | 16552 bytes |
font_01_sfnt_off0000fe8c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE8C | 16792 bytes |
font_02_sfnt_off000116a3.bin2a7f9d36e7e81de25fa16d407588fe99906924d851a6f34e3c0bd4c0f6bdfe63 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A3 | 10552 bytes |
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