MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
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 1.0000
Heuristics 4
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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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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://trafffi.ru/strik?keyword=us+citizenship+test+english PDF link annotation
- https://cdn-cms.f-static.net/uploads/4412584/normal_5fa20880267d7.pdfIn PDF document text
- https://kubupukadumu.weebly.com/uploads/1/3/1/3/131382740/xusuvawatetibuteb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4384649/normal_5f901c2a0b671.pdfIn PDF document text
- https://zizuralozirufu.weebly.com/uploads/1/3/1/4/131483034/jikorisokoxuwuvog.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366302/normal_5f87204e4df47.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/a07019cd-35ca-4d4f-be8f-cf7d498159f8/ciclocomputador_bell_f12_manual.pdfIn PDF document text
- https://s3.amazonaws.com/xenavuxa/business_goals_examples.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ed54d2aa-cc18-49fa-bd73-1a3ba68e039f/simoboraxik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6d8cca2d-eeea-43f5-a9d2-62ba0337980c/mugijupo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cd6a0895-e7a6-4d25-b23c-061ad2dd46c0/zanipiwigu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/97e63e9d-dd38-412a-a78f-9d1e7c0338c7/jack_daniels_wood_chips_south_africa.pdfIn PDF document text
- https://s3.amazonaws.com/sevoga/the_bad_mother_s_diary.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_off0000612a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x612A | 4928 bytes |
SHA-256: 4132a8bc3261849b798402f55ed67a3090663495a7d594e1f54ca96a9b7bcfb1 |
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font_01_sfnt_off00007203.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7203 | 9864 bytes |
SHA-256: c3bb8ac849487efa3dfd1c25f576ba2964861855b3d9cc88291b6ebab738333b |
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