MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF document flagged by multiple critical heuristics as malicious, including a redirector link and a link farm. The embedded URLs suggest a phishing or SEO-based distribution scheme, aiming to lure users to malicious sites. The ML classifier and ClamAV detection further confirm its malicious nature.
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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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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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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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://dafemum.ru/award?keyword=navigator+of+the+seas+deck+plans+pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4374189/normal_5fcdeb5984bde.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376849/normal_601f7f5bef610.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382948/normal_5fe2b9bb66389.pdfIn PDF document text
- http://ndfnasg.xyz/the_cat_in_the_hat_book_free4fk00.pdfIn PDF document text
- http://hookup153.site/flywithlua_download_real_weathernh8uw.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4412896/normal_5fff7010a84dd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4381737/normal_60344eb37c19e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4505358/normal_5fd86dea40f5d.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/e95c72fa-e1cd-43a7-9ead-3392cd0d8201/futixezoxewopiwuturekikil.pdfIn PDF document text
- https://9eff4bf0-55a5-42b9-a65a-250f23c32afd.filesusr.com/ugd/80978b_1e7ad10a89fa43eb9f33dd607efcfcbb.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/21895672-4bea-448b-ae9c-9a358e0d7388/miller_falls_74c_miter_box.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c1fd54da-263f-44f2-8c3e-3f85be8497c2/roles_and_functions_of_social_workers_ppt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eeda848b-4d4b-46e3-92b3-4f256b4a4f0d/2000_jeep_grand_cherokee_oil_pan_torque_specs.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d0d6119-3daf-42f8-a152-8dab6deaa914/table_1_to_500_numbers_chart.pdfIn PDF document text
- https://e0eedba4-cf99-4c42-97f5-d3f9ae5832dd.filesusr.com/ugd/e36ea7_92029fd8d8394b268b8813c1abf38d98.pdf?index=trueIn PDF document text
- https://8a89c5bc-485b-4808-980c-66c60e8d9908.filesusr.com/ugd/834936_95fb227a844046de8e77ec54110f7e91.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f5a64d38-51ae-463a-a232-bfc4d898b6c0/ferrari_458_italia_price_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b4017b54-a8aa-456c-9b68-a3510936dc7d/kopizuli.pdfIn PDF document text
- https://ed8bc375-cd54-49ab-9ddb-988cb5b2fc3d.filesusr.com/ugd/3f3824_e885469ae4714aa399efaeb0d0b7d306.pdf?index=trueIn 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_off000151cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x151CD | 5512 bytes |
SHA-256: 9c8d90dfb35cc3c5b4b5c9e7a94678a4ba6fb1718b47d7967fc4321aeaf057df |
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font_01_sfnt_off000164a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x164A2 | 10292 bytes |
SHA-256: 57b3505ad423eac2c005ab4ee918746302a6070db88bd04f8bdeecdb92e91e11 |
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