MALICIOUS
226
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious Link
This PDF file exhibits characteristics of a phishing lure, specifically employing a browser extension or update installation pretext to deceive users. It contains a mass of external links, many hosted on disposable domains, suggesting an attempt to redirect users to malicious sites. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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Browser extension / update installation lure high SE_BROWSER_INSTALL_LUREDocument tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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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://cructi.ru/pbw?utm_term=kidde+fire+alarm+blinking+red+and+yellow PDF link annotation
- https://cdn-cms.f-static.net/uploads/4405641/normal_60351d40429f9.pdfIn PDF document text
- https://gikotibosad.weebly.com/uploads/1/3/4/3/134332820/585001.pdfIn PDF document text
- https://wurotifaji.weebly.com/uploads/1/3/4/3/134315076/tofobadokal.pdfIn PDF document text
- https://wopufibirebosaw.weebly.com/uploads/1/3/4/4/134466277/b62a2cf3b82fff.pdfIn PDF document text
- https://besikutusesa.weebly.com/uploads/1/3/2/6/132681218/9097597.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4485435/normal_5fedfb7add76c.pdfIn PDF document text
- https://ramaxuvezida.weebly.com/uploads/1/3/4/3/134327775/gexixu.pdfIn PDF document text
- https://mawebugejememed.weebly.com/uploads/1/3/4/5/134599942/xafaloba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490920/normal_60c3dd9da8d44.pdfIn PDF document text
- https://xipumimetadefol.weebly.com/uploads/1/3/4/3/134358687/79041c1f46d493c.pdfIn PDF document text
- https://xogunepole.weebly.com/uploads/1/3/4/5/134529021/nuravoxe.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/dcdf42fd-1be8-40f3-bb3f-5ac569566aa9/73752997668.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/594fea78-bc7b-4a99-860a-0db99f6e3307/how_to_make_a_mango_banana_smoothie_without_yogurt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/45738d09-2a4a-4d63-b675-0167a974fe07/bevul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e54f546-bb2d-4f28-b233-b3db9e235c99/best_of_arijit_singh_mp3_free_download_zip_file.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fce04574-9514-49fc-8d26-1fdbd0a81ced/racing_bike_games_for_free.pdfIn PDF document text
- http://gosuril.pbworks.com/f/bra_pattern_free.pdfIn PDF document text
- http://paditoxef.pbworks.com/w/file/fetch/144735672/case_law_on_arbitration_and_conciliation_act.pdfIn PDF document text
- http://wiliser.pbworks.com/w/file/fetch/144557079/jigaze.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_off0000e5eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EB | 5416 bytes |
SHA-256: 622d49336ad00080f2287b768f139462e1190c1e04832af74329d14df5146305 |
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font_01_sfnt_off0000f858.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF858 | 10804 bytes |
SHA-256: 614a5ffa939b5cee183170f83ad199dd4a1e1a8d18c50ac7f1498bcb4f33ded7 |
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