MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file flagged by multiple heuristics as malicious, including a critical finding for linking to known malicious redirector infrastructure. The embedded URLs and the PDF structure suggest a phishing or redirection attempt, likely to deliver a secondary payload or lead the user to a malicious site. No scripts were extracted, but the PDF's nature points towards a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 5
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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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://crophysi.ru/strik?utm_term=stihl+bg55+carburetor+diagram In PDF document text
- http://rerixen.scienceontheweb.net/harvard_business_school_case_studies_free.pdfIn PDF document text
- http://potuxoposutu.medianewsonline.com/audacity_podcast_editing_tutorial.pdfIn PDF document text
- http://gilumesu.mypressonline.com/lowiwofo.pdfIn PDF document text
- http://motubudasuvapan.medianewsonline.com/detailed_lesson_plan_in_grade_1.pdfIn PDF document text
- http://bulibujirifubof.scienceontheweb.net/estilos_de_aprendizaje_visual_auditivo_y_kinestesico_autores.pdfIn PDF document text
- http://mateguwokalidub.getenjoyment.net/duwemimurufimapu.pdfIn PDF document text
- http://nadipewin.mywebcommunity.org/6488405061.pdfIn PDF document text
- http://waparudadip.mywebcommunity.org/managabasufitopevujibedo.pdfIn PDF document text
- http://dotenipago.medianewsonline.com/61249135595.pdfIn PDF document text
- http://bafiselavanebep.mywebcommunity.org/swimmer_s_shoulder_exercises.pdfIn PDF document text
- http://zumanidoxup.medianewsonline.com/converter_to_word_file_online_free.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/dazifozixawus/2029929064.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b516ba8a-1b32-4e4c-b8b9-eeec691cc17c/70405539350.pdfIn PDF document text
- https://eff7b67d-fef5-45b7-bcd6-ffb1b71d3a14.filesusr.com/ugd/b4c9df_76071c3afe6343b9b34d3ad153d296b8.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/df5ed9c8-dbef-4e0c-9d7e-f132eb4826fd/chamberlain_garage_door_opener_remote_programming_keypad.pdfIn PDF document text
- http://femagela.myartsonline.com/68679834416.pdfIn PDF document text
- https://9301df3d-c689-496c-811c-0581e5fecd74.filesusr.com/ugd/f62067_0607c6e5d1bd4493ac8e1f82dca3349f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ac17265c-3edf-4853-9293-35da4f804126/constitucion_politica_mexicana_art_16.pdfIn PDF document text
- https://c78ffd2e-fc3d-4272-86ca-968d835fb7ad.filesusr.com/ugd/0f9ef0_7aeef43e82d643409899bab6e52d4f66.pdf?index=trueIn PDF document text
- https://7aff118d-26f6-4d76-9bc9-1838009e7274.filesusr.com/ugd/f80014_9700e8ea31294fb1a2266728def65fe8.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/mejados/lufimupeb.pdfIn PDF document text
- https://s3.amazonaws.com/jifesu/nuwovaronakij.pdfIn PDF document text
- https://s3.amazonaws.com/wefemabeni/nizer.pdfIn PDF document text
- http://wokarodefi.onlinewebshop.net/how_to_write_a_great_career_development_plan_for_employees.pdfIn PDF document text
- https://s3.amazonaws.com/remuv/8961088545.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_off0000faac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAAC | 5544 bytes |
SHA-256: 162bd9d44ec0c69b9b3949e4b5d59f211237f784e5334258a37708edc9102f5a |
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font_01_sfnt_off00010d61.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D61 | 10848 bytes |
SHA-256: e81552c3031e0eebad06c863122bc0653f3601c9aa274d3c9f71453d77d531f6 |
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