MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, directing users to various domains. One prominent URL is https://kuzutuzo.ru/aws, which is likely part of a phishing or SEO poisoning campaign. ClamAV also detected this file as Pdf.Phishing.Trojan, further supporting a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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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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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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://kuzutuzo.ru/aws?utm_term=how+to+report+dividends+on+tax+return+canada
- http://yazansoft.com/2095227099622v9a.pdf
- https://cdn.sqhk.co/nemazuwigumo/jjBhahj/table_tennis_3d_game_download.pdf
- https://cdn.sqhk.co/bitomasijelo/Whaibhi/dubai_safari_park_call_center.pdf
- https://cdn.sqhk.co/mofijovelu/xhijdha/rogue_racing_enforcer_bumper.pdf
- https://cdn.sqhk.co/xizowabik/gjjh4Po/mujas.pdf
- https://cdn.sqhk.co/xurajalijok/Mjc7jej/fapuriwukupufekawa.pdf
- https://cdn.sqhk.co/setewefasari/Aidzhhe/amazon_kindle_forgot_password.pdf
- https://cdn.sqhk.co/merabuvi/hfqahhO/online_shopping_clothes_uk_mens.pdf
- http://usacreditreport.info/2nd_grade_math3lm9p.pdf
- https://cdn.sqhk.co/narulaloro/ghjjhc9/rejabe.pdf
- https://cdn.sqhk.co/xixujipum/Hik0jd9/best_online_marketing_companies_in_kenya.pdf
- https://nisutezobeta.weebly.com/uploads/1/3/4/4/134486685/wifisujusaru.pdf
- https://toziraza.weebly.com/uploads/1/3/4/5/134506396/9259040.pdf
- https://lozugukavokukes.weebly.com/uploads/1/3/4/3/134357100/5635846.pdf
- http://aires.fun/csi_exponential_functions_and_logarithms_answers1aqcz.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/jujadodedaruxix/raxixubokonotado.pdf
- https://s3.amazonaws.com/xifabilejilab/nagomidosekomugupaf.pdf
- https://s3.amazonaws.com/vibasujefir/fuwad.pdf
- https://s3.amazonaws.com/tanikanaw/network_diagram_tutorial.pdf
- https://s3.amazonaws.com/nefomojuwet/photoshop_action_software.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_off0000e8c5.bincf8feeba63e43942f9e2da61fe51657ead3324a321f69208e1be1ffc40b20ebc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8C5 | 5216 bytes |
font_01_sfnt_off0000faa9.bin1db10d25ece3fe98f5a9c7fef8037a7dfa8d2f454140385b61dc8527d2b9a583 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAA9 | 10520 bytes |
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