MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, exhibiting characteristics of a phishing or malware distribution lure. It contains a link farm pointing to numerous URLs hosted on compromised WordPress sites and disposable domains, suggesting an attempt to redirect users to malicious content. The presence of urgency language further supports a phishing pretext.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://queure.ru/uplcv?utm_term=example+of+follow+up+email+after+job+application PDF link annotation
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/b6e1f35654405c883b21bd900ce89dd0/53134984363.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/368c86a5bfdeb5307e69f065e956f334/46661551393.pdfIn PDF document text
- https://urbanlivin.lu/userfiles/files/46530877976.pdfIn PDF document text
- http://shqinze.net/admin/upimg/file///dufuvulovuxitikeparujud.pdfIn PDF document text
- http://titadoorbinhduong.com/upload/files/fevesotabimo.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/8d2e2fded9701341fb8aea615443079a/43073008173.pdfIn PDF document text
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/a6bbdc5714ef28eee2fec152c00f8e63/nikubifidewuworuwe.pdfIn PDF document text
- http://gsprojekt.eu/userfiles/files/58748148831.pdfIn PDF document text
- http://phs60sand70sdecadesreunion.com/clients/880504/File/xiwivo.pdfIn PDF document text
- http://andlupa.com/userfiles/file/31917083533.pdfIn PDF document text
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/93eba9e7fe412a4c35c3d62a17f28fcd/84486336130.pdfIn PDF document text
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae404baa35---xawazufoxifipunofijofugos.pdfIn PDF document text
- http://etabetasurvey.com/userfiles/files/rorujiruso.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210715133507.pdfIn PDF document text
- https://alohasafaris.com/files/miwaliwiduvekutodutud.pdfIn PDF document text
- http://classicalgardenfountains.com/uplds/file/mavejusoman.pdfIn PDF document text
- https://obermeyer-modemarkt.de/upload/file/bubosoxogoz.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9ac61025a---seromejegikesabaxeju.pdfIn PDF document text
- http://vankouwenenmastop.nl/UserFiles/file/64285768778.pdfIn PDF document text
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/dd1dc0341eb228bbd795f406bf0c97aa/timipoxek.pdfIn PDF document text
- http://stavebnevyrobky.sk/www/upload/files/rakobafapuv.pdfIn PDF document text
- https://euroroma-bg.org/files/file/77821039215.pdfIn PDF document text
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/b4a58430ad9de49674ed84da080779e4/budivawobirebes.pdfIn PDF document text
- 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_off0000e32a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb3c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB3C | 18664 bytes |
SHA-256: bdea8541603990f720c6981f96a63c9ede2bfe17943d9cd917a231637916f31b |
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font_02_sfnt_off00012bd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BD5 | 11016 bytes |
SHA-256: ab5dcedfe62dff9fa53ec491ee6f3032c4e3e1e64147089e2fd90b110aae4398 |
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