MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://queure.ru/uplcv?utm_term=feeling+tired+and+light+headed PDF link annotation
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071bc5c4e911---fafobil.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/do17keiq4uf80nkk41m3sf20hm/xulajuforatikaximin.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a54383d1fb0---matasowolukipewateturi.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a63e0f681a0---robegibasiledufawod.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160af9a1d51b5e---vogewixatajugababiw.pdfIn PDF document text
- http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/160783ba5873ef---zusixotedidavufo.pdfIn PDF document text
- http://pensjonatagat.pl/userfiles/file/41169601109.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/of8ohl3iimlo6qat66180crtm5/52292383697.pdfIn PDF document text
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/8fo3fcv0ri53qfq44d3ovst3e0/13174201800.pdfIn PDF document text
- https://dtcprojects.com.au/wp-content/plugins/super-forms/uploads/php/files/kifqq2oqahdqsf6ocnv2acs4mq/98862407532.pdfIn PDF document text
- http://ceskylakros.cz/userfiles/file/budototepafogakekiwi.pdfIn PDF document text
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/0205vaefsn0nlgvebiak8bjev0/36223589831.pdfIn PDF document text
- http://beateromer.com/bilder/file/30520965029.pdfIn PDF document text
- http://makingtheturngolf.com/clients/9/92/925d9bae4ecf380f28dbe0e1390c16eb/File/tasodivotov.pdfIn PDF document text
- http://doks-films.com/pcms/content/file/15817110047.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/vovepamer.pdfIn PDF document text
- https://www.lashharmony.co.uk/wp-content/plugins/super-forms/uploads/php/files/bhpb4v7pdjdj2rl74sic4u903q/12615175450.pdfIn PDF document text
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/aea17e0144ef7b4db0a7eac92758ba67/88570325313.pdfIn PDF document text
- https://rkdestate.com/userfiles/file/kotapamosorosetiva.pdfIn PDF document text
- https://tyeetomsfishing.com/userfiles/file/66710067227.pdfIn PDF document text
- https://gregor-biffiger.ch/userfiles/file/54427229897.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/r5c4c16115gdim507ktt7vo2a3/84909501111.pdfIn PDF document text
- https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/c56dms645ft8v48jqpli2r4juu/mevewi.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b1d89ccd714---26728841259.pdfIn PDF document text
- https://pointswestliving.com/ckfinder/userfiles/files/76519638529.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_off0000f3b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3B6 | 10216 bytes |
SHA-256: 9dab705030b6c5affdb4d5eb2bd199cd291b13a73d9db50384b13cb4b2f2226c |
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font_01_sfnt_off00010a3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A3A | 17004 bytes |
SHA-256: 73f7f7739b8117df12a04977af849cee854f507783d0f6f042bd6c98f0545976 |
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font_02_sfnt_off0001363b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1363B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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