MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress sites and disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to lure victims to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f4bb98b311---85205012569.pdf In PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/df6a9b08d3c5c94166d47e56ba9f8fb1/18958984678.pdfIn PDF document text
- http://straub-online.ch/userfiles/files/78934249617.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/5oeq3l3v0ogg0i9k14uhp5ia2t/garij.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/aa07fe1df496c6781a055c0ef012e05e/nopefenirewezas.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c590afb8f06---linuzemanezarutobanop.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/bcc1e84d08362e3b56767b91340e1e70/mitekasabutedewulameju.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/10641695f9e15ec888a0449b4caaff81/paliwamusivizoxoda.pdfIn PDF document text
- http://goref.ru/files/file/vifinegiziwewudewukimun.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/oekk2oqd080a09ue7mmfdv60n2/63695855360.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/437bc3dedd4f13f5423f2f1367f94f5b/rurojuriwazizibiwu.pdfIn PDF document text
- http://abc-tel.ru/data/File/zokiwo.pdfIn PDF document text
- http://kusadasidentalclinic.com/img/userfiles/files/sexuleradezazutibinejep.pdfIn PDF document text
- https://www.northwoodmedical.ca/wp-content/plugins/super-forms/uploads/php/files/c473oe907p9ss8h3su5197c0a5/kegitagodotaxazexeg.pdfIn PDF document text
- http://forter.vn/hinhanh/file/jesuzo.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/852e4b8dd1072e78d4e5046279cc0406/fubirolupibugegojebumu.pdfIn PDF document text
- https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/0d7938d18590f7a9ef0d0ceae48bfdf3/lividufomaxizowofulaja.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607d18bcd55e7---kebexajasalululex.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606f36b77c003---30727186919.pdfIn PDF document text
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160763bc436389---tulunivebig.pdfIn PDF document text
- https://addsfly.com/userfiles/file/fitepotomukobif.pdfIn PDF document text
- http://cosmik-kino.ru/sadm_files/vokunareka.pdfIn PDF document text
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/5bk2qiiq73hbuia300h1it0iae/73409926952.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4c96f0df27---kufobikubamase.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=interview+questions+and+answers+for+customer+service+positionPDF 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_off0000f491.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF491 | 16832 bytes |
SHA-256: 3eb749d5063ad85c8407d9a169c87424269c65b6c83f42627bb36d2ed2a368cc |
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font_01_sfnt_off00012015.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12015 | 11084 bytes |
SHA-256: e04944e3f3a397c785d261ce6a691a4179dc071b6a239ae9618930670cc0ec65 |
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font_02_sfnt_off000139cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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