MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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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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://synerhu.ru/pbw?utm_term=livro+tratado+de+pediatria+nelson+pdf PDF link annotation
- https://fubomagasikeka.weebly.com/uploads/1/3/4/4/134474343/26e83e148ad.pdfIn PDF document text
- https://luzepomi.weebly.com/uploads/1/3/1/8/131856518/pevawi-vikimedosonunew-taraduxugujexid.pdfIn PDF document text
- https://jaligudupu.weebly.com/uploads/1/3/5/3/135391073/5891352.pdfIn PDF document text
- https://jemusutagutuf.weebly.com/uploads/1/3/5/3/135390091/a58ef487fe.pdfIn PDF document text
- https://rodekimixew.weebly.com/uploads/1/3/4/3/134314341/kavutiruperexu.pdfIn PDF document text
- https://fowowudajij.weebly.com/uploads/1/3/5/3/135312379/babiti.pdfIn PDF document text
- https://negiwonilelif.weebly.com/uploads/1/3/4/5/134583179/335513.pdfIn PDF document text
- https://fidejilajusaxe.weebly.com/uploads/1/3/4/3/134363993/1343d7eb.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/9d9d6ae5-dbfe-4c16-9bf3-7fab10bcd0e4/cuales_son_los_tipos_de_archivos.pdfIn PDF document text
- http://kekirow.pbworks.com/f/2007_yamaha_v_star_1100_service_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2a1b382d-a31c-4ad7-bc7f-76b4a3a2880f/plantronics_bluetooth_headset_voyager_legend_uc_b235-m_usb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/341d6bef-436c-4555-a25d-ea255c6b00a2/korean_hangul_chart_pronunciation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/09437634-ab6e-44b6-bebb-e80155b52ec6/depatinitirunifanidopafed.pdfIn PDF document text
- http://namikikis.pbworks.com/f/lufomavadopu.pdfIn PDF document text
- http://tisowowuduwe.pbworks.com/f/rangers_apprentice_book_13_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d8d3e248-4e93-4275-8896-915e2146e5bc/myers_briggs_types_letters.pdfIn PDF document text
- http://devopiporo.pbworks.com/f/hp_laserjet_1320_pcl_6_driver_windows_7_64_bit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/68d43d09-fb88-4402-9f5a-cbb9be4b810c/craftsman_30_inch_riding_mower_drive_belt_replacement.pdfIn PDF document text
- http://subazim.pbworks.com/w/file/fetch/144547797/la_la_land_streaming_australia.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/12a61e64-a2b1-419f-8451-f57eaafe526a/do_all_jeeps_have_transmission_problems.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/353b8335-e1ed-4bfe-b3a7-821779494551/how_old_is_internet.pdfIn PDF document text
- http://vugufosenene.pbworks.com/f/holt_mcdougal_literature_grade_8_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7771037b-bbaa-4693-b6f5-465a0b5b940c/jovudet.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_off0000e6cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CB | 5036 bytes |
SHA-256: 269878ac3c996f869ded9328389e877df1619324810d83101423aca10f13f09a |
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font_01_sfnt_off0000f808.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF808 | 12656 bytes |
SHA-256: d05179d5d5bebbb1c2d4b45c7b17dc40af9f6de6b11d7f338ed7aab06a05c910 |
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