MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded links, with a significant heuristic firing indicating a 'PDF_SEO_LINK_FARM'. The primary malicious URL identified is 'https://trafffi.ru/aws?keyword=sickle+cell+pedigree+chart', which likely serves as a lure. Another URL, 'https://pedomolakikivo.weebly.com/uploads/1/3/4/4/134440841/3939243.pdf', is also highlighted by a heuristic. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
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/aws?keyword=sickle+cell+pedigree+chart PDF link annotation
- https://pedomolakikivo.weebly.com/uploads/1/3/4/4/134440841/3939243.pdfIn PDF document text
- https://xifobosakup.weebly.com/uploads/1/3/2/8/132815359/depopetuvubimudej.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/wonoti/93174969203.pdfIn PDF document text
- https://botebofeji.files.wordpress.com/2020/11/15963812645.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/bd54d29c-8601-4f19-82d3-851773cb5881/2735805079.pdfIn PDF document text
- https://s3.amazonaws.com/gagagakigibapo/79535058756.pdfIn PDF document text
- https://s3.amazonaws.com/xetasif/is_mcleaks_safe_reddit.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80ca7ea2-bdc4-4542-8206-9b7664a7f14f/51753948209.pdfIn PDF document text
- https://s3.amazonaws.com/votawawo/blogspot_de_libros_para_descargar.pdfIn PDF document text
- https://s3.amazonaws.com/gupuso/pajerebowifi.pdfIn PDF document text
- https://fuzivezabezi.files.wordpress.com/2020/11/togin.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_off00006358.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6358 | 5324 bytes |
SHA-256: 4bd625c02beb7a3d18d5f7833ba7520ca6e8cce253b56ba7f99b6ba85b7a8a2f |
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font_01_sfnt_off00007571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7571 | 10192 bytes |
SHA-256: 028a18170c756faf283e481b17b5acf43c708d8de7ad7b26a22716abc3838b7b |
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