MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The heuristics indicate the document functions as a link farm, directing users to compromised CMS uploads and disposable hosting sites, likely for phishing or malware distribution. The presence of numerous unknown URLs further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160885d5a1bd5a---zozopovukerebasexokomova.pdf In PDF document text
- http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160802f0797004---nadifawakakede.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/7808729942c7f6189b04ffe75667852e/25300522076.pdfIn PDF document text
- https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609637f0afbd0---30542157061.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/88196acc5173a56ba97e8a5207e09bf1/5335157572.pdfIn PDF document text
- https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/3kthlaf7st0n2p6hjf1rmpivo0/80208029500.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/31qvojlg3lc0n3hi650qhoppmo/13916603592.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c35432377---dilused.pdfIn PDF document text
- http://kystop.com/wp-content/plugins/super-forms/uploads/php/files/7f6ikma8shfkanmcf4kp4qm1p4/gepemavujozoluzedokovana.pdfIn PDF document text
- http://akinmedikal.com/uploads/file/kejarovisigad.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/c2e74b8ce23bdadbc9d768f43ae98528/doruxerefevaf.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/236cbr44jcq234j5hfqmbi4c0f/3320173557.pdfIn PDF document text
- http://agcslohian.com/userfiles/file/sigikafiwatovepabanopova.pdfIn PDF document text
- http://vtaky.sk/media/file/20229288943.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16091cab426d69---jelekovovoxigunukubema.pdfIn PDF document text
- http://xn--om2b25zm6igqb.com/ckupload/files/fokopodaxuzekilajaluzedu.pdfIn PDF document text
- http://dailycan.com/userfiles/files/sunufitafo.pdfIn PDF document text
- http://asijskepotraviny.cz/files/file/ganudawejonagemodefejanij.pdfIn PDF document text
- http://greenplanetnepal.com/userfiles/file/xidobepuguf.pdfIn PDF document text
- https://sahyadrisevasanstha.in/userfiles/file/24334566954.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/nitatika.pdfIn PDF document text
- https://dpengineers.info/admin/userfiles/file/37186459079.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/f274423ee19aadac1a8c93ac111ee826/berapor.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/valumidigitidedufep.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/c1c5a84db87f85f4b9cdb4981fcc89aa/vakelo.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/23655276453.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=sample+email+asking+for+suggestions+from+employeesPDF 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_off0000f494.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF494 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010ca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA6 | 17012 bytes |
SHA-256: ce320a5a6f565d5d7e8c15f695cdefeac6ecb48a654b3f91439dbb04f7d6d783 |
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font_02_sfnt_off000138a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138A3 | 11080 bytes |
SHA-256: 53d16f4b33bd8afcbfe204d0dce5e7edb6e381a3bf6d125cdb8f49ef5951739e |
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