MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links strongly suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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://unicornccc.com/ckfinder/userfiles/files/62886458014.pdf In PDF document text
- http://texinpack.com/uploadfile/file///2021081205392228.pdfIn PDF document text
- http://floral-design-lindgens.de/userfiles/file/galipuwatowodugijeb.pdfIn PDF document text
- http://studioguagnoni.it/userfiles/files/70568572103.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a675dfe76ec---kibetoludoditezepimewemal.pdfIn PDF document text
- http://ontheedgeofnow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ac8194f16---60635015002.pdfIn PDF document text
- http://whscardinals1963.com/clients/9/9e/9e5fab02d16e7113a74bdd4e7828f974/File/rafegave.pdfIn PDF document text
- https://isosklo.cz/uploads/bafiresobimefozugiperi.pdfIn PDF document text
- http://ray-king67reunion.com/clients/41562/File/66212136709.pdfIn PDF document text
- https://biodent.ro/m4fm_files/m4news/ck-uploads-files/38527693255.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8fae42656---jowekurevenirudegonavex.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/08957d4e631538deee175369cf01f0d4/5994751329.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/phba4hrqacd2ccht8bvl1f8m42/49472638172.pdfIn PDF document text
- http://cascinamana.it/userfiles/file/32072992104.pdfIn PDF document text
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fed36c91b0---wifezipesivulevujukaba.pdfIn PDF document text
- http://faradtvandor.hu/picture/userfiles/file/80189360466.pdfIn PDF document text
- http://diysmart.net/userfiles/file/6837679167.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c28bca40f16---84823767839.pdfIn PDF document text
- https://coastalholidayproperty.com/ckfinder/userfiles/files/numoximitiw.pdfIn PDF document text
- http://csc021.com/userfiles/file/20210801115952_x58koz.pdfIn PDF document text
- https://heks-tech.com/app/webroot/userfiles/files/23106957073.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074bfd559718---dojotebulakevemigalojaba.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/483b4eec20584369f97217fd7b7de0e1/43378937971.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/namusinenu.pdfIn PDF document text
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/7fc3dd3e5132c82d7c94b302024ef77c/4116484493.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=fire+hd+8+tablet+16gb+with+alexaPDF 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_off00010529.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10529 | 18064 bytes |
SHA-256: 0607686206d13abd6c3b7264200daf3df1c31dd616e1bf0a660a8375ee020222 |
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font_01_sfnt_off000134a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134A1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014cb8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14CB8 | 10868 bytes |
SHA-256: 32125ce39d9faccd21312c656826c2f7e3dded9c1b0a30e16d3467f3f1a406be |
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