MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and 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 0.9991
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://pistant.ru/pbw?utm_term=respiratory+system+labeling+worksheet+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4460975/normal_60592de40bf57.pdfIn PDF document text
- https://gebusoju.weebly.com/uploads/1/3/0/9/130969184/6484950.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4424985/normal_5fe2ed02305dd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413573/normal_5fe2509623d39.pdfIn PDF document text
- https://rojinotur.weebly.com/uploads/1/3/4/4/134442242/tetikewito_fovizenexibito.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388406/normal_5fe802817bdbc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488807/normal_6000fccd1db3d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392210/normal_601b1ea43de40.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384836/normal_603063c2998e6.pdfIn PDF document text
- https://mojivimimujovo.weebly.com/uploads/1/3/0/8/130874437/1323849.pdfIn PDF document text
- https://kubuwexujilo.weebly.com/uploads/1/3/4/4/134473085/6bbcced0703d94c.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://rimogeto.pbworks.com/f/how_to_apply_for_nsfas_at_unisa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4fd10028-24f6-43a5-9eac-5fbc53423543/25916331462.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/49ee92c4-78c5-4cdd-90df-c8359b16d4f2/23771139283.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0fd54eb2-02ff-4e68-8f9a-ebe2b15b5f9b/81729360112.pdfIn PDF document text
- http://lijegazoz.pbworks.com/f/71722735248.pdfIn PDF document text
- http://naxenuve.pbworks.com/w/file/fetch/144473520/pofanalejexufefevad.pdfIn PDF document text
- http://natutaliva.pbworks.com/f/creating_design_document_in_software_engineering.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e260f5ed-447d-484f-b4e7-62de221c3095/physics_laboratory_manual_loyd_answers.pdfIn PDF document text
- http://jajafad.pbworks.com/f/xifijutibibegobikiw.pdfIn PDF document text
- http://nolumemonip.pbworks.com/w/file/fetch/144511230/52495945723.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/91aedcf4-a156-483b-ba63-aea613411813/python_snake_for_sale_south_africa.pdfIn PDF document text
- http://zudilazo.pbworks.com/f/coreldraw_serial_number_and_activation_code.pdfIn PDF document text
- http://jolunatimavu.pbworks.com/w/file/fetch/144582519/fodegojajawakesag.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dd28.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD28 | 5860 bytes |
SHA-256: 73bb51657ad4f67d0d1f24bae41c8f404cf304e5ddd331419ebcade604e4508a |
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font_01_sfnt_off0000f10c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF10C | 10684 bytes |
SHA-256: 7a754bc006b4bf761f710fd5bb40c442b9895c8f92f1d2d0484f423e150aa69a |
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