MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to redirect users to malicious content. The PDF's structure and embedded links are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a9c5858188d---99256581153.pdf In PDF document text
- https://www.ideaklinikizmir.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607708d5cd085---jasedinizevugova.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/2ufces25dpa3e9enhsas1j5sod/82939798277.pdfIn PDF document text
- http://briarcliff68.com/clients/71184/File/romirutiwusujitowabapu.pdfIn PDF document text
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/d4fcb1c20d7e2e45bf4785cb7bda7913/bexijobufujorimes.pdfIn PDF document text
- http://newtarrytowndeli.com/uploads/files/13565053632.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/f3cff9866b9113f51fa6a41e4fba90aa/35524913335.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/fb69ec7a81629d66f94277409462d077/10953413526.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/49ff7ff6227d2dfa882ea3abfc3df3d7/95685032918.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092e4ea947e3---93099194429.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16083b2eb2228a---65435134999.pdfIn PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9db55f4ca---78902994796.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160740340d3214---20427266429.pdfIn PDF document text
- https://beldaoyun.com/calisma2/files/uploads/11672296553.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608d2e8258c43---45684797824.pdfIn PDF document text
- http://ukicda.com/admin/fckeditor_upfiles/file/2021070514263380554.pdfIn PDF document text
- https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160da3557dce0d---31319492092.pdfIn PDF document text
- http://mimarkamilozkartal.com/userfiles/files/savalofosetek.pdfIn PDF document text
- http://hotelpenza58.ru/ckfinder/userfiles/files/3124232148.pdfIn PDF document text
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9e9ddc92cd---50842238841.pdfIn PDF document text
- http://ge-mak.com/files/titolipopuxawafifegus.pdfIn PDF document text
- http://teormech.ru/teormech/usrimg/file/pajatiti.pdfIn PDF document text
- http://daiichigroup.net/uploads/news_file/waxarojof.pdfIn PDF document text
- http://abwcockeysville.com/uploads/files/rilazo.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609448a268ee9---segugewimivigefalikimu.pdfIn PDF document text
- http://aisef.org/uploads/userfiles/file/file/93180334640.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=google+drive+the+lion+king+2+mp4PDF link annotation
- 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_off0000e4ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4EE | 16984 bytes |
SHA-256: 3db9cc95bfe3da6d05d036811dab004dfebecf58388a0cb2ae811a41cf4b1510 |
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font_01_sfnt_off00011166.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11166 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001297d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1297D | 10904 bytes |
SHA-256: ac8e943741a5c816433db2e9ba52746bd6af0fdd09f3dc48fa0a6a38adbed72d |
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