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://traffnew.ru/123?keyword=historia+de+la+quimica+organica PDF link annotation
- https://tifunubuxeji.weebly.com/uploads/1/3/4/5/134523212/bimesefefinatu-suduwozu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374979/normal_5f8d63fa7a4a8.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/02cac28b-1b1d-4a7a-b239-67d1b84ebe3d/5538931250.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c07a527-28f1-4ff2-a0ff-b1b0cb3baaf9/jedivudinepad.pdfIn PDF document text
- https://s3.amazonaws.com/muvarelo/qq_player_apk.pdfIn PDF document text
- https://s3.amazonaws.com/gifojuxaxeva/zeus_engineering_handbook.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8477c197-fcfc-4019-b545-74b9b5574070/pefelawam.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/roxajitegisiwur.pdfIn PDF document text
- https://fidunonip.files.wordpress.com/2020/11/madelizopididam.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6851df06-7a75-4bc3-a0ba-a74993a957cd/bebogozo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/704b593f-d1db-480d-88b5-f4b0402de55d/35253550936.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 |
|---|---|---|---|
stream_004_off0000a5a6.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xA5A6 | 11100 bytes |
SHA-256: e2761600e0150f500c1348291c932be6118ffd2329c0fb3aa418bd9ac298ab9c |
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font_00_sfnt_off0000939c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x939C | 5344 bytes |
SHA-256: 8152fa4b221553bdb1e555d8a1bdddf6aeb69d3ba00148e350b8a54c802555fd |
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