MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many of which are hosted on disposable domains, suggesting a link farm designed to direct users to malicious sites. The 'SE_CALLBACK_LURE' heuristic indicates the document may also be used for callback phishing or tech-support scams. While no scripts were explicitly extracted, the presence of numerous external links and the ML classifier's high confidence score point towards a malicious intent, likely for phishing or redirecting users to malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 7
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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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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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://medvor.ru/pbw?utm_term=jazzy+select+elite+owner%2527s+manual PDF link annotation
- https://static.s123-cdn-static.com/uploads/4408476/normal_5ff5d80c5e6ae.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368251/normal_6019ccd99a8b3.pdfIn PDF document text
- https://levoveto.weebly.com/uploads/1/3/4/8/134897684/fixake_bixifogesadus_zabanimazulijok.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459180/normal_6037f0e8ca511.pdfIn PDF document text
- https://vekibapovadivoz.weebly.com/uploads/1/3/0/8/130873848/wejifeliduvo_xabixigubesiwe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4386081/normal_604862a3c64a4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/fac32030-e19d-4312-b69a-2a7e07b22b3c/55333227595.pdfIn PDF document text
- http://mibegenav.pbworks.com/w/file/fetch/144461781/how_to_install_a_lowrance_transducer_on_a_pontoon_boat.pdfIn PDF document text
- http://fagimox.pbworks.com/w/file/fetch/144570906/spiderman_comics_deutsch_download.pdfIn PDF document text
- http://jesababa.pbworks.com/w/file/fetch/144413976/75834922639.pdfIn PDF document text
- http://liwuvedesisu.pbworks.com/f/74971190678.pdfIn PDF document text
- http://vosebim.pbworks.com/f/how_to_fix_black_and_decker_toaster.pdfIn PDF document text
- http://sozakuvepar.pbworks.com/f/jp2launcher.exe_command_line_options.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f78b6fec-f226-4a40-9c27-800674f88d6b/altered_carbon_season_2_characters.pdfIn PDF document text
- http://nosiravuga.pbworks.com/f/how_to_calibrate_treadmill_incline.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5c2231e9-44b0-4cd2-87ea-df668a5a19e7/42587451517.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/62e994d2-acce-451c-98c0-1c530ee902db/60231085309.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d2135da3-4513-4e46-be37-82ef14381675/pukovegek.pdfIn PDF document text
- http://bupataved.pbworks.com/w/file/fetch/144420405/jurotekukuwozavigawu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f68ae35-edaa-4506-9b39-091783055838/requisitos_renovar_licencia_de_conducir_puerto_rico.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bf53bc18-230c-4015-b2c0-54c6a5263bbe/kukubolovok.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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d981.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD981 | 5212 bytes |
SHA-256: a74ed6ec1e1e3f7fd4dee58887411dcdf9c5856ce600f4d99dde5c6eef933feb |
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font_01_sfnt_off0000eb4e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4E | 10940 bytes |
SHA-256: 970897cbb7f67c4104506ca703acd436f5be7eff07c89088d9f75eaf9ae13f4f |
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