MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The presence of embedded URLs and the heuristic 'PDF_SEO_LINK_FARM' indicate the document's primary purpose is to redirect users to potentially harmful websites.
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://golowaki.ru/123?utm_term=sample+planet+fitness+cancellation+letter PDF link annotation
- http://puzexijabin.mypressonline.com/what_can_vegans_eat_to_build_muscle.pdfIn PDF document text
- http://bajifepeselok.sportsontheweb.net/vabemipafizat.pdfIn PDF document text
- https://cdn.sqhk.co/jujifefa/cjaihf8/94134378056.pdfIn PDF document text
- http://pugisapi.mypressonline.com/9964452809.pdfIn PDF document text
- https://cdn.sqhk.co/boguzivipel/l0ihi9O/does_onedrive_download_all_files.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://ee42ee57-4547-4a8c-8a66-6cccb7f6869d.filesusr.com/ugd/2a9ad2_c45a21636c114d1d86d597ae77356d2d.pdf?index=trueIn PDF document text
- https://c83cbd6e-a134-4b49-ba12-49f24c654ad9.filesusr.com/ugd/904a8b_1197d7c497774719a64a0db646add625.pdf?index=trueIn PDF document text
- https://1b6fbac1-9b66-4609-9151-81f5d4c316f7.filesusr.com/ugd/5e81b9_1747c449b7c64ec2995958257ca944c5.pdf?index=trueIn PDF document text
- https://22e365c6-0853-42e1-82f8-83473bf9c0bf.filesusr.com/ugd/217d68_5045f2b83d0541c58c670bbf9a593752.pdf?index=trueIn PDF document text
- https://73b3f487-90f5-41a6-bf44-750372f72efd.filesusr.com/ugd/39e8d0_e3148397c0694e8aad4c5fd5d28fb58b.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/7a731674-1774-4a9e-9f55-8f2177ebe39f/niduwiwukurujekevura.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3f953daa-5791-49fd-b097-90c5ce1d26ba/9946777922.pdfIn PDF document text
- https://s3.amazonaws.com/xisefowu/26608314149.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/917e2eff-155e-4404-80f0-c26dd6faa373/is_air_frying_keto_friendly.pdfIn PDF document text
- https://16012499-1299-48b0-8cdd-5f23a7749958.filesusr.com/ugd/fafc38_945fde18434f405dac44ff108bcafd90.pdf?index=trueIn PDF document text
- https://1138278f-e8d0-45ef-aef3-dbdd7428ac52.filesusr.com/ugd/5be868_c375abd1a94946238a44e577637e9d76.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vinejivunitego/convert_byte_array_to_hex_string_android.pdfIn PDF document text
- https://5fa60de5-32ab-41ac-ba65-77330e21e623.filesusr.com/ugd/2e16aa_f9ffca301a934216a6f9c11574c21bea.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_off00017c38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C38 | 5264 bytes |
SHA-256: b0ec73aa40f36b40ef6e64b27997ce2da2852bb5f87793fc7e04420a00ad4741 |
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font_01_sfnt_off00018e0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18E0C | 11216 bytes |
SHA-256: 7478f8e1fb87dd6ceecc112fb28db33e93e583fc448bd901cde52687f5f85e88 |
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