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://trafficel.ru/123?keyword=kyocera+hydro+air+c6745+manual PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369316/normal_5f8cf01109d30.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450041/normal_5fa396fcd33e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370062/normal_5fa12ffec05bf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4412757/normal_5f9fa99481f9b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367964/normal_5f8afab74d74d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444852/normal_5fa57ad161d81.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410954/normal_5f999907cdd5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4389601/normal_5f9b2a1f650c5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/henghuili-files/mutetevazepumodujawuk.pdfIn PDF document text
- https://nijubar.files.wordpress.com/2020/11/75846096254.pdfIn PDF document text
- https://s3.amazonaws.com/fejatepudopito/nowofenob.pdfIn PDF document text
- https://devirum.files.wordpress.com/2020/11/kyoto_tourist_map_english.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
- 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_off0000da23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA23 | 5520 bytes |
SHA-256: 3b88def121f741bd769b6c76449dcea79bff4adb38e327be2a5baf4f5bbf3c89 |
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font_01_sfnt_off0000ecdf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDF | 11148 bytes |
SHA-256: 220e88e9bb2eeff2a67bd6e550148c129dc44de784fd4d37049f7ca8df57a900 |
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font_02_sfnt_off000112f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112F3 | 16076 bytes |
SHA-256: 050cca2678d7435c270027ff58d84efa212ea3c5592871ae9bdc0d1e185112d0 |
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