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 0.9998
Heuristics 6
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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 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://soxebez.ru/wix?keyword=why+does+my+directv+says+acquiring+guide+data PDF link annotation
- https://cdn-cms.f-static.net/uploads/4407793/normal_6046f97067e18.pdfIn PDF document text
- http://vizemezezu.sportsontheweb.net/aquatic_biomes_quiz.pdfIn PDF document text
- http://tupaxeguna.scienceontheweb.net/is_the_schwinn_sidewinder_a_good_bike.pdfIn PDF document text
- http://gibelineg.sportsontheweb.net/89562750701.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369306/normal_605317ee8b306.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490128/normal_5fd79e51e54a6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484812/normal_5fc80ba27fd81.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4477626/normal_5ffe04f574a1c.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/d8c18751-4e70-41fa-bc5e-602a5f7d8966/krystal_clear_saltwater_system_cg-26669_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6f646ca7-3ed2-43ef-85fb-d40ff6328c39/61583333977.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/51f35c3f-780f-4a01-8ca7-4ff72e782160/femufo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8faa9fb1-4c1a-45b4-9d30-18d2ea8ab72b/tizisenuzeja.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0308b259-8ead-4980-96cd-db8b953ef434/total_surface_area_of_an_open_rectangular_box.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/83316af6-3ba3-46aa-a96d-2c05a0ef4db2/38324129423.pdfIn PDF document text
- https://e824aeac-d22a-4b45-bb3c-17051d6ee04f.filesusr.com/ugd/de60da_4e42212d9bdd4fff8c154c86b1489165.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5d6f406d-6935-412f-b43f-24172c282c74/ph_scale_worksheet.pdfIn PDF document text
- https://53860ffb-5975-4088-b838-5c82367c2827.filesusr.com/ugd/0d2908_29618384996941c398211ddc5c91dd5f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bde00157-dc48-4725-8958-64d61d02ad00/gemakovitumevilitoz.pdfIn PDF document text
- https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_e8545bcf886e4a5da7984602e4ad07fe.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14715 | 5620 bytes |
SHA-256: 8ba0cef38061afed725115d74ab6fff014951ce6127556678ab547d41fcd3ce8 |
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font_01_sfnt_off00015a19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A19 | 11444 bytes |
SHA-256: 260235d241f1188f96eb6cd80aff38cbf3c41b15a3e62f4607d68114171fd4c9 |
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font_02_sfnt_off0001815d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1815D | 16036 bytes |
SHA-256: 35d3440dae1ebc896564e4e6f70ea95aa3a30a1ac603c7fffbb21b68b8b72e2f |
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