MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, indicating a link farm or SEO manipulation tactic. ClamAV and ML classifiers identified this file as malicious, specifically as a phishing trojan. The embedded URLs suggest a potential phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://nipisod.ru/award?keyword=calcium+metabolism+disorders+pdf PDF link annotation
- http://raxejudesezix.scienceontheweb.net/burger_king_menu_specials_2021_south_africa.pdfIn PDF document text
- http://tanivikovome.sportsontheweb.net/31585221716.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500670/normal_602de85fe1b69.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4445321/normal_5ff13acd61659.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388037/normal_5fcc242f33076.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369646/normal_5fc7477feb9a6.pdfIn PDF document text
- http://mitutepoka.medianewsonline.com/38913056039.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://65de77fc-0341-4fd2-89b2-cd6b005a91de.filesusr.com/ugd/cf79db_fa46df6699bc4facbb4bbec2e1f3ac9b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/47290a8c-f91e-4971-9d64-ec37b7c555f4/tojedexosor.pdfIn PDF document text
- https://s3.amazonaws.com/mexesazaxasa/a_root_canal_performed.pdfIn PDF document text
- https://s3.amazonaws.com/lekezaru/xedaru.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/600c357b-73e8-4ef1-817f-d5037269f825/las_bodas_de_sangre_resumen_corto.pdfIn PDF document text
- https://8d67285a-e3c5-4820-bb1a-bb91ce1079a6.filesusr.com/ugd/d54300_b191ef5828bc4762ae630f0875261a71.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bd956139-e1ff-42cb-845f-b5b749b0310b/garmin_gpsmap_64st_tips.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7fc56a30-2045-4963-bee8-766a11b74748/doxewog.pdfIn PDF document text
- http://bifovigavij.myartsonline.com/3892757269.pdfIn PDF document text
- http://nuluwajewugutik.onlinewebshop.net/char_broil_electric_smoker_ribs_recipe.pdfIn PDF document text
- https://5a98ae10-8c7e-48da-b83f-9bcbc644cfa3.filesusr.com/ugd/9a8764_e207f7d8b3e242f290de0089740111b9.pdf?index=trueIn PDF document text
- https://6c473ef0-402e-45f0-9f95-6bc7e89a6a1a.filesusr.com/ugd/5518c3_9447fb5d11514e399ff66887595117f8.pdf?index=trueIn PDF document text
- http://pekiluji.atwebpages.com/muputumesem.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a96e80bb-8e67-4099-a98f-2c75c7088f8c/65409006477.pdfIn PDF document text
- https://medlineplus.gov/carbohydratemetabolismdisorders.htmlIn 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_off0000f950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF950 | 5344 bytes |
SHA-256: 17d13bb8e39072142c372019f289b04f25a1a07d51d9caa693e2fd3804b7ae81 |
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font_01_sfnt_off00010b57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B57 | 10432 bytes |
SHA-256: b1f3d352f6cbb229db8a6aca9cdbb418d4ca83da83a3772455e2f138d3381553 |
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