MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external links, many of which point to disposable domains and are likely part of a link farm designed to manipulate search engine results. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as phishing or a trojan. The embedded URLs, such as 'https://kuzutuzo.ru/award?keyword=english+short+story+anthology+grade+11+pdf', are likely used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://kuzutuzo.ru/award?keyword=english+short+story+anthology+grade+11+pdf PDF link annotation
- http://getchambre.xyz/how_many_greek_gods_and_goddesses_are_there_in_allhuu8c.pdfIn PDF document text
- https://cdn.sqhk.co/jivazufevi/xia4Vhf/capsaicin_benefits_for_athletes.pdfIn PDF document text
- https://juvikawupuw.weebly.com/uploads/1/3/1/4/131409017/3434849.pdfIn PDF document text
- http://kukushpa.fun/rowinapebomezazi9qvgl.pdfIn PDF document text
- https://cdn.sqhk.co/lotazoza/UQ5trgd/gezuvuteda.pdfIn PDF document text
- https://labopepiw.weebly.com/uploads/1/3/4/7/134747507/jusudexisofem.pdfIn PDF document text
- https://ruxelasukosife.weebly.com/uploads/1/3/4/6/134667582/xekow_xakupig_panivoru_sevofizifajoful.pdfIn PDF document text
- https://cdn.sqhk.co/nufopusifa/vEge2ib/chapters_interactive_stories_books.pdfIn PDF document text
- http://canonsburglake.com/cardboard_iron_man_glove_template2jk7t.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://uploads.strikinglycdn.com/files/008def96-5f04-4645-be36-d80f6c365fee/ap_human_geography_unit_3_test_review_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5148983c-4155-45e8-bdfa-bd20c567f656/fallout_4_instruction_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8b68b0a1-fd71-4246-9433-ec2c9f408d2a/82393491569.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af5a1ee8-b1c3-4162-911b-81862e33436e/the_hierophant_reversed_meaning_love.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8318c966-e52a-40ef-94e6-45f59a0c5fd2/7093784418.pdfIn PDF document text
- https://e60c805d-b9e1-47fc-b045-983511e9ac1f.filesusr.com/ugd/116bb2_f548ab4a486b4fe28d7d390bb0c255f1.pdf?index=trueIn PDF document text
- https://1dfef493-bba3-4db0-89f7-7cef958ceea2.filesusr.com/ugd/3dbeb3_ee57ac5352ed4deab8372b470437026c.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/6b42102b-2a1c-4bb3-a1ef-f014c0c28106/76875516635.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d37fb53b-5ef5-4c26-847d-ca8e7ab13ed5/kenuvasumatet.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010565.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10565 | 5200 bytes |
SHA-256: 26c495bebe294bb865f32d27bf140fb185147711c5d798b93745634caebef3e5 |
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font_01_sfnt_off0001171b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1171B | 10520 bytes |
SHA-256: 47d9e57192bb2b09d9e862d867cced1801b5379608bbdc9f7cab00e7eccb80f8 |
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font_02_sfnt_off00013aff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AFF | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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