MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://cctraff.ru/aws?keyword=scientific+name+for+human'. It also exhibits characteristics of a PDF link farm, with numerous embedded URLs, one of which is 'https://s3.amazonaws.com/wopari/difezarozugezavo.pdf'. The ML classifier strongly indicates maliciousness, suggesting the document is designed to lure users to malicious content, likely for phishing or scam purposes.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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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 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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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://cctraff.ru/aws?keyword=scientific+name+for+human
- https://cdn-cms.f-static.net/uploads/4368467/normal_5f8a9e20dfb93.pdf
- https://butebipibib.weebly.com/uploads/1/3/4/2/134265815/4506636.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/wopari/difezarozugezavo.pdf
- https://uploads.strikinglycdn.com/files/72f8e738-505b-4fe0-a533-11ae200b91b7/new_movies_2018_free_malayalam.pdf
- https://s3.amazonaws.com/tesodagiwor/mumofuselotirugeduk.pdf
- https://s3.amazonaws.com/bagisi/64117731477.pdf
- https://s3.amazonaws.com/vibove/the_periodic_law_puzzle_answer_key.pdf
- https://uploads.strikinglycdn.com/files/8a5c5ff8-f9ae-4c2b-b75e-b22c7395cba8/ian_malcolm_jurassic_park_figure.pdf
- https://s3.amazonaws.com/wusigipufuvowix/contemporary_business_report_writing.pdf
- https://s3.amazonaws.com/wexukufedepim/melocotn_loco_descargar_gratis.pdf
- https://s3.amazonaws.com/pugomonapoxuxe/calculus_early_transcendentals_2nd_edition_jon_rogawski.pdf
- https://s3.amazonaws.com/leguvefu/fizewipola.pdf
- https://uploads.strikinglycdn.com/files/94b0068d-48b5-4dd9-93cd-abd714fb873c/59615273034.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00006661.bin08d8b60796108933bdbd0b0d92fbf85254ac55332d43c962f25d7f2ee99c0b56 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6661 | 5016 bytes |
font_01_sfnt_off0000774b.bin4733201d2aab313f3654a0efe1b64379bbf6666ad16d30bb1231708a9b817a48 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x774B | 10252 bytes |
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