MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous embedded URLs, many of which point to disposable hosting or suspicious domains, indicating a phishing or malicious redirection attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to direct users to a phishing site disguised as a document about biotechnology. No scripts were extracted, but the PDF structure itself is indicative of a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://vilenefex.ru/award?keyword=application+of+biotechnology+in+medicine+pdf PDF link annotation
- https://cdn.sqhk.co/sixojifez/XqNS89P/4340480871.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446399/normal_6013f4882cb31.pdfIn PDF document text
- https://cdn.sqhk.co/murofoli/1ciepp0/app_to_change_photo_background_color_to_white.pdfIn PDF document text
- http://covid-19online.site/arabian_nights_sheet_music_free2tvny.pdfIn PDF document text
- https://cdn.sqhk.co/goxupolofodi/sgcqjjm/ata_guidelines_thyroid_cancer.pdfIn PDF document text
- http://stroy-level.ru/wevaregemodetmq4z5.pdfIn PDF document text
- https://cdn.sqhk.co/bapulofuw/Hhbhbji/momepavododat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4383137/normal_60129d8c41be3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415936/normal_60174c2e8dd59.pdfIn PDF document text
- https://cdn.sqhk.co/pobusafi/TEd8jb9/explore_skye_visitor_guide.pdfIn PDF document text
- http://lnstagram-helping.live/sesunimiwuzopejotugino1rb42.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4403414/normal_5fe3307a6d2f7.pdfIn PDF document text
- http://lerimofo.mywebcommunity.org/sara_bareilles_gravity_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369305/normal_6053c440cf9da.pdfIn PDF document text
- http://dkblogin-de.com/58928263618xwrmh.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://s3.amazonaws.com/rujabepifar/vanguard_brokerage_account_agreement.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/15894501-5352-47fb-8cbb-6c54c8aea62b/80568893742.pdfIn PDF document text
- http://kojuvurapamox.myartsonline.com/zapisuvege.pdfIn PDF document text
- http://mukanebesiva.atwebpages.com/learn_python_the_hard_way_3._6.pdfIn PDF document text
- http://bidejepeko.onlinewebshop.net/mivazexidoxifodofeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2aee33ac-903b-4183-8f2b-d330023bcf0e/tibelup.pdfIn PDF document text
- https://s3.amazonaws.com/zesotat/how_did_christianity_begin_ks2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86ef3631-9a30-4f53-9a0d-7b702be4d4fa/65996075539.pdfIn PDF document text
- https://s3.amazonaws.com/rovuweraja/1203138884.pdfIn PDF document text
- https://s3.amazonaws.com/luramamelolem/technical_interview_questions_on_c_with_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7ed7ba0b-8dbf-4298-aa6c-a71fd226112c/hp_photosmart_6510_scan_to_computer_software.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2d33a83c-fc92-45b1-b317-9724abb80a73/52150584964.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_off0001023a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1023A | 5312 bytes |
SHA-256: 990c1b5f926fc9f068ef82d8c48fb770aae2105a2bffca2858d0ae3a2c1f06b9 |
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font_01_sfnt_off00011421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11421 | 10200 bytes |
SHA-256: 1c480cb59851d4f9ff4f1261f3660c3e2a27cf26a894c7b91e3dbd781eac82a9 |
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font_02_sfnt_off00013708.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13708 | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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