MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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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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://xajibur.ru/strik?utm_term=what+great+teachers+do+differently+todd+whitaker+pdf PDF link annotation
- http://tegogigagozij.iblogger.org/pharmaceutical_certificate_of_analysis_template.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://c46c713f-5e69-4c64-aad4-d86f29440f76.filesusr.com/ugd/957c7b_f98a02242fc149ff97318c78080cde7a.pdf?index=trueIn PDF document text
- http://pugipig.rf.gd/82141912631.pdfIn PDF document text
- https://s3.amazonaws.com/wutogugej/6851245152.pdfIn PDF document text
- https://c1e70603-6ca1-47bc-880b-b60d7d434995.filesusr.com/ugd/df625d_bc6b57923266469ab34641b921d34d1c.pdf?index=trueIn PDF document text
- https://09235f31-469a-4613-94fc-36d04c1f642a.filesusr.com/ugd/8b6407_90b835eec7dd4c9280e628f02c977d5c.pdf?index=trueIn PDF document text
- https://a6047d18-b57f-4fdc-88fa-dea7715a8642.filesusr.com/ugd/189347_b3702989144543419863a1f91926724b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/penefelomiju/nc_cdsa_referral_form.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c103f1fd-cae0-4455-aa50-206975db9a0f/11232874415.pdfIn PDF document text
- https://6d0c6d30-55b9-4b7f-8145-34d11b484ddf.filesusr.com/ugd/8db56d_23ff03f56acf4f7ba8d48c13156dcf32.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2e2e9933-5618-4ed9-b906-b818c826fd90/how_long_does_it_take_to_learn_microsoft_visio.pdfIn PDF document text
- http://zakivijojinikij.epizy.com/tofofogoposul.pdfIn PDF document text
- https://72cdfa97-b5fe-44cc-9aa9-3142b5aa642a.filesusr.com/ugd/ee32c9_b5430100a7f7432992648e02d46d3b17.pdf?index=trueIn PDF document text
- https://88966db1-4a83-4446-b941-f65022a6235f.filesusr.com/ugd/928e0f_da4037ccbc4145a3927c4fd65761fdc7.pdf?index=trueIn PDF document text
- https://1347de4c-4e54-429a-b84c-372e60bc5a2b.filesusr.com/ugd/6c98bc_b1ed9d7d11934f18b878a37b3fe183f7.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/28a77f4d-6fc9-4260-a288-d8d24807501f/takabafafoduwireb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e309d092-493f-4941-ac16-ee19cea8cf6e/42603917615.pdfIn PDF document text
- http://mewexam.epizy.com/chamberlain_whisper_drive_troubleshooting_5_flashes.pdfIn PDF document text
- https://07bd7893-a6ec-44d5-90fe-c719e602c0bd.filesusr.com/ugd/aafaff_772b3d484fee4034b24ddbda553947ed.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/sepovutapakogaf/astrology_books_free_download.pdfIn PDF document text
- https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_647b2f388860410eb70f8b55c6a138ab.pdf?index=trueIn PDF document text
- http://gukamapi.rf.gd/how_much_weight_will_i_gain_if_i_eat_3500_calories_a_day.pdfIn PDF document text
- https://6762652a-e869-40f3-960d-1446d4066230.filesusr.com/ugd/55e6b1_0673536d979c4b5491b874b73772b8aa.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_off0000e3c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3C0 | 5688 bytes |
SHA-256: d758cef1a156bb8b45b9d59172162df1f0beca84fdfbbeafd5758f29a5be5856 |
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font_01_sfnt_off0000f73a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF73A | 11072 bytes |
SHA-256: ccd45a6e38d626aa502f7c243b4a40249bfde0650725063896312410f57c4ac8 |
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