MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO poisoning tactic to distribute malicious content. The presence of a 'Password-protected archive handoff' heuristic indicates a common technique to bypass gateway security by encrypting the actual payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://maypoin.ru/wix?keyword=fundamentals+of+vibrations+meirovitch+solution+manual PDF link annotation
- https://tubolapibakosi.weebly.com/uploads/1/3/4/8/134872187/6991067.pdfIn PDF document text
- http://carbags.site/forest_wallpaper_full_hd_download_for_pc7p6d4.pdfIn PDF document text
- https://ziwivebagojub.weebly.com/uploads/1/3/1/8/131871618/3954731.pdfIn PDF document text
- http://rutetasilatigo.iblogger.org/24309035410.pdfIn PDF document text
- https://nupimixek.weebly.com/uploads/1/3/2/7/132712066/6891499.pdfIn PDF document text
- http://samo-katim.ru/768100987785nptb.pdfIn PDF document text
- https://xewulatejema.weebly.com/uploads/1/3/5/3/135345986/givaxevu.pdfIn PDF document text
- http://winsbig.space/17563884120711vk.pdfIn PDF document text
- https://bilujadaju.weebly.com/uploads/1/3/4/7/134772480/xodunudefugevugaxixe.pdfIn PDF document text
- https://bugedosase.weebly.com/uploads/1/3/2/7/132712019/suwatig-dotam.pdfIn PDF document text
- http://todayshop.website/765802482kfl0a.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tutazena.epizy.com/cardizem_drip_davis.pdfIn PDF document text
- http://vesofimuni.rf.gd/34563343940.pdfIn PDF document text
- http://wubipuvupiwar.epizy.com/zatidakikofosome.pdfIn PDF document text
- http://kilirafesiva.epizy.com/fugeninixogodapajaxitaguk.pdfIn PDF document text
- http://mevelidefa.rf.gd/grails_unit_test_controller_render_template.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f3ead9c-119d-490a-964d-f551bd66c22b/zawuripu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b44bc2f1-07f7-443b-976a-cd299d0d6c38/printable_rgb_color_chart_for_sublimation.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
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_006_off0001d378.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x1D378 | 18704 bytes |
SHA-256: fb3cae7e4547ccb72e46186d8fc69da920f44dcbd12a5ea52a2228ffd67a6e3f |
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font_00_sfnt_off00018ce4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18CE4 | 2912 bytes |
SHA-256: b3177c8de935bf2e05ba58035bb430970af2c83108b60a2dfb12b0772094c699 |
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font_01_sfnt_off0001973f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1973F | 5416 bytes |
SHA-256: d79f3b55789a92eb00a106f5f06ea12c96f7a55e65f89ae67d0e2e3668296d27 |
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font_02_sfnt_off0001a989.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1A989 | 12448 bytes |
SHA-256: 693887f0371c8d170b45ae0a5c2b6693f5234a75ee1a11658878eb7493138ba2 |
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